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  • Fisheries  (440)
  • Feeding experiments
  • Inorganic Chemistry
  • Marine Fisheries Research Department, Southeast Asian Fisheries Development Center  (183)
  • California Department of Fish and Game, Marine Resources Operations  (141)
  • Fisheries Society of Nigeria  (136)
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  • 1
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    Effects of crude oil and the fractions on the blood haemoglobin and neutrophil concentrations in Heterobranchus bidorsalis juveniles (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/22997 | 19325 | 2018-03-05 09:06:04 | 22997 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: Studies on the effects of crude oil and its fractions on the blood haemoglobin (HB) neutrophil (NP) concentration in the blood of Heterobranchus bidorsalis juveniles were carried out. Two study periods (toxicity and recovery) and four oil types (Bonny-light crude oil (BLCO), premium motor spirit (PMS), kerosene (DPK) and lubricating engine oil (lBO) at 1.00, 2.00, 4.00 and 8.00ml were used. There were significant differences (P〈0.05, p〈 0.01) on the HB and NP values in blood of fish samples. The elevated values of HB levels in fish exposed to 2.00,4.00 and 8.00m1 L-1 BLCC, 2.00ml L-1 PMS and DPK; and 4.00ml L -1 LBO over the levels in the control fish were in consonance with the results of other workers. Increases in NP values in fish exposed to the four oil types (BLCO, PMS, DKP and LBO) relative to the control could be part of the immunological attempts by the fish to mobilize the body's defence mechanisms. The relatively high percent mortality and low survival of H. bidorsalis juveniles exposed to 4.00 and 8.00mlL-1 concentration of the four oil types over the other concentration implied that these concentrations were probably lethal to fish existence.
    Description: Includes:- 4 tables.;23 refs.
    Keywords: Fisheries ; Health ; Pollution ; Heterobranchus bidorsalis ; Nigeria ; Delta State ; freshwater environment ; Crude oil ; Fish ; Toxicity ; Haemoglobins ; Lethal effects
    Repository Name: AquaDocs
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    Format: 152 - 159
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  • 2
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    The role of information in harnessing fisheries and eco-tourism for national development (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23001 | 19325 | 2018-03-05 09:29:09 | 23001 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The importance of information in every sector cannot be over-emphasized. The ability to identify and utilize our natural endowment depends on the availability of information resources within or at the right time. The low level of information provision in Nigeria is attributed to infrastructure as a result of inadequate funding of the sector. Research has shown that information has revolutionized the society, moving the world from the industrial age to the information age and completely changing the way the economy functions. Success goes with the best information. However, for now, if there must be increase in fish production and eco-tourism participation, employment opportunities, poverty reduction, food security and nature appreciation in terms of environment and living creatures, our fisheries scientists and policy makers will have to rely on sources of information using the advantage of libraries, and Information Communication Technology (lCT). This development in information resources affects many areas of Nigerian economy including the fisheries and eco-tourism sectors. The contribution of information resource in the development of the fisheries sub-sector can be viewed under those of fisheries information products like the Nigerian Fisheries and Aquatic Sciences. (NIFFIC) database, Proceedings of national conferences of Fisheries Society of Nigeria (FISON), annual and technical reports Fisheries Research Institutes in Nigeria. Also to be brought under perspective is the information products of eco-tourist institutions like the Nigerian National Parks.
    Description: Includes:- 1 table.;1 fig.
    Keywords: Fisheries ; Information Management ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Information services
    Repository Name: AquaDocs
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    Format: 178 - 182
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  • 3
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    Profitability of an economic diet in practical fish farming: a case study of vitamin C inclusion in the diet of Heterobranchus longifilis fingerlings (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23036 | 19325 | 2018-03-05 09:16:43 | 23036 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: A completely randomised design with three replicates was used for an experiment conducted to study the profitability of vitamin C inclusion into the ration formulation for Heterobranchus longifilis. Six different levels 0, 50, 100, 150, 200 or 250 mg of L-ascorbic acid (vitamin C) kg-1 diet was included in a 42.5% crude protein basal diet and fed to triplicate groups of twenty fingerlings. The groups fed diets with vitamin C had statistically significant (P〈0.05) higher final weight than the group fed the control diet without vitamin C at the end of twenty weeks study, Feed consumed was significantly (P〈0.05) lower in the group fed diet without vitamin C. There was a significant (P〈0.05) difference between the groups fed 0 and 50 mg vitamin C kg-1 diets, but no significant (P〉0.05) difference between the groups fed diets with 100, 150, 200 and 250 mg vitamin C kg-1 diet on this parameter. Mortality was significantly (P〈0.05) higher in the groups fed diet without vitamin C while there was no significant difference (P〉0.05) between the fish fed the diets with respective graded levels of vitamin C. The thiobarbituric acid reactive substance (TBARS) of the liver and whole body of fish was significantly (P〈0.05) higher in fish fed diet devoid of vitamin C. Cost per kilogram of fish base on feed input was significantly (P〈0.05) higher in the group fed diet without vitamin C than those enriched with vitamin C. However, within groups fed with vitamin C cost per kg of fish was significantly (P〈0.05) decreasing in the following order: diet 2〉 diet 6〉 diets 4, 5, and 3. There was no significant difference (P〉0.05) between fish fed diets 3, 4 and 5 with respect to cost per kilogram of fish. This study vividly showed that there is no alternative to the use of a complete diet with vitamin C in an intensive practical farming of H. longifilis geared towards optimum profit maximisation in terms of feed as one of the variable input.
    Description: Includes:-2 tables.;20 refs.
    Keywords: Aquaculture ; Heterobranchus longifilis ; Nigeria ; New Bussa ; freshwater environment ; Diets ; Feeding experiments ; Vitamin C
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    Format: 270 - 275
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  • 4
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    Growth performance of Clarias gariepinus fingerlings fed cooked breadfruit (Artocarpus altilis) seed meal as replacement for maize in outdoor hapas (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23040 | 19325 | 2018-03-05 20:36:36 | 23040 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The growth performance and nutrient utilization in Clarias gariepinus fingerlings fed cooked breadfruit (Artocarpus altilis) seed meal based diet as a replacement for maize, investigated for 8 weeks. Five (5) diets of breadfruit seed meal substituted for maize at different levels of inclusion (0%; 25%; 50%; 75% and 100%) were fed to the fingerlings at 5% body weight twice daily in hapa of 1m x 1m x 1m. The hapas wee submerged in a pond and each hapa stocked with 20 fingerlings of mean weight of 5.8~c0.00g. Evaluation of growth parameters nutrient utilization of the experimental diets showed that there was no significant difference (P〉0.05) in mean final weight (MFW); specific growth rate (SGR); feed conversion rate (FCR) protein efficiency ratio (PER) and apparent net protein utilization (ANPU) among the treatments. The results suggested a net advantage of replacing dietary maize with cooked breadfruit seed meal for Clarias gariepinus fingerlings at 50% and above levels of inclusion under the condition of the experiment.
    Description: Includes:- 4 tables.;10 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; Makurdi ; freshwater environment ; Fish culture ; Feeding experiments ; Growth rate ; Diets
    Repository Name: AquaDocs
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    Format: 292 - 296
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  • 5
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    Evaluation of different soybean-based diets on growth and nutrient utilization of Heterobranchus longifilis in aquaria tanks (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23034 | 19325 | 2018-03-05 09:13:55 | 23034 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: In order to compare the effect of raw, cooked, toasted and extruded soybean meals on the growth and nutrient utilization of Heterobranchus longifilis fingerlings, 120 pure Heterobranchus longifilis fingerlings were purchased at the National Institute for Freshwater Fisheries Research (NIFFR) improved genetic fish hatchery and randomly allocated into four different treatments with two replicates each with 15 fingerlings in 8 aquaria tanks. Four different diets containing 40% crude protein each were compounded and fed to the fish at 5% body weight for 56 days. At the end of the feeding trials, growth performance and nutrient utilization were evaluated. The results revealed that fish fed toasted soybean-based diets had highest mean weight gain (MWG) of 16.39g, specific growth rate (SGR) of 2.03%/day, and food conversion ratio (FCR) of 2.18. The fingerlings fed the extruded soybean-based diet gave the least growth performance. It could be concluded in practice, that toasted soybean-based diet is optimal for growth of Heterobranchus longifilis fingerlings.
    Description: Includes:- 5 tables.;3 fig.;7 refs.
    Keywords: Aquaculture ; Heterobranchus longifilis ; Nigeria ; New Bussa ; freshwater environment ; Diets ; Nutritive value ; Feeding experiments
    Repository Name: AquaDocs
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    Format: 255 - 263
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  • 6
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    Evaluation of pawpaw leaf-based diets (Carica papaya) on growth and survival of African catfish (Clarias gariepinus) fingerlings reared in plastic bowls (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23049 | 19325 | 2018-03-06 15:26:25 | 23049 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: 200 fingerlings of African catfish (Clarias gariepinus) of average weight of 22.8~c0.04g were used to investigate the nutritive value of Pawpaw (Carica papaya) leaf-based diets. Five (5) isocaloric and iso-nitrogenous diets containing fishmeal protein at a rate of 0%, 25%, 50%, 75%, and 100% along with the pawpaw leaf were formulated. The diet without the pawpaw leaf meal serves as the control. The fish fingerlings were fed at 5% body weight per day for 56 days in plastic bowls. It was observed at the end of the experiment that pawpaw leaf meal was suitable as a protein supplement when incorporated at 50% replacement. The body weight gain, specific growth rate (SGR) and food conversion ratio (FCR) values of 18.68g, 1.07%/ day and 4.72 respectively were highest in diet with 50% replacement closely followed by diet with 25% replacement. Based on the results, it could be recommended that in practice 50% replacement of pawpaw leaf meal with fish meal is optimal in practical diet of African catfish (Clarias gariepinus) fingerlings. Nevertheless, complete replacement of pawpaw leaf meal decreases growth rate and should not be used in Clarias gariepinus fingerlings.
    Description: Includes: - 3 tables.;5 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Carica papaya ; Nigeria ; freshwater environment ; Fish culture ; Feeding experiments ; Diets
    Repository Name: AquaDocs
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    Format: 320 - 324
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  • 7
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    Assessment of capital assets and utilization amongst artisanal fishers in Tatabu fishing community (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23054 | 19325 | 2018-03-06 15:33:34 | 23054 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: Sustainable development in Tatabu fishing community can hardly be attained without a systematic socio-economic consideration of the productive activities and development needs of the people. Generally two important factors play a great role in rural livelihoods; the prevailing structures and processes and access to assets, which can be combined in a various ways to generate positive outcomes. In essence poverty and the opportunity to escape from it depends on all the above. The assets comprise of human, natural, social, physical and financial. The present study (emperically analyzed their strength, linkages and the effects of policy and structures on them, particularly as it translates to the socio-economic well-being of the fishers.
    Description: Includes:- 3 tables.;9 refs.
    Keywords: Fisheries ; Sociology ; Nigeria ; Tatabu L. ; Livelihood ; freshwater environment ; Artisanal fishing ; Investments ; Financial resources ; Fishery economics ; Labour
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  • 8
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    Effects of insects infestation on the shelf-life of smoked dried fish: a review (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23057 | 19325 | 2018-03-05 20:48:39 | 23057 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: Most of the fish produced in Nigerian fresh-water systems are marketed as dried fish, since there are few alternative methods of preservation for distant markets. Considerable quantities are lost through insect infestation, fragmentation during sorting, mixing, storage and transportation. In Nigeria, a high proportion of the dried fish sold in the market harbours beetle infestation, mainly Dermestes maculatus and Necrobia rufipes. D. maculatus is the dominant pest, accounting for 50.0%. The larvae of both beetles are the most numerous forms and are responsible for a large proportion of the damage of dried fish.
    Description: includes:- 7 refs.
    Keywords: Fisheries ; Nigeria ; freshwater environment ; Aquatic insects ; Infestation ; Cured products ; Dried products ; Storage life
    Repository Name: AquaDocs
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    Format: 369 - 372
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  • 9
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    Consumers' preference of fish products in Yenagoa metropolis, Bayelsa State (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23055 | 19325 | 2018-03-06 15:35:00 | 23055 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: The study was conducted to assess consumer's preference of fish products in Yenagoa Metropolis, Bayelsa State. One hundred and ninety consumers were randomly selected for the study. Results showed that fishery products in Yenagoa metropolis include fresh, smoked, fried, dried, canned and frozen fish. Sixty-eight percent of the respondents said that the products are enough, whereas seventy-six percent feel the variety of fishery products is low. Majority of the respondents (86%) preferred fresh fish followed by smoked fish which was preferred by sixty-four percent of the respondents. Age, ethnic grouping, gender, marital status and education did not have any significant influence on the preferences of the consumers (P〉O.05). Major problems identified by the consumers were exorbitant prices of fish because of the activities of middlemen, unhygienic selling environment and scarcity of fish products. Consequently, it is recommended that an adequate system of financing small scale fisheries be evolved to reduce the influence of middlemen; sanitary laws should be enacted and enforced in the fish markets around the metropolis; Establishment of modern fish markets in Yenagoa to boast fish production, aquacultural investors should be attracted.
    Description: Includes:- 3 figs.;9 refs.
    Keywords: Fisheries ; Nigeria ; Yenagoa ; freshwater environment ; Fish utilization ; Fishery products ; Consumers
    Repository Name: AquaDocs
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    Format: 359 - 362
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  • 10
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    Comparison of the quality of smoked Tilapia using mud kiln and modified drum kiln (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23060 | 19325 | 2018-03-06 15:40:12 | 23060 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: Fresh tilapia (Oreochromis niloticus) was smoked using two different kilns to evaluate and compare the microbial changes or quality, physicochemical and organoleptic characteristics. Smoked samples were dominated by Gram-positive bacterial, flora, Bacillus, Streptococcus and Staphylococcus. Fungi isolated included Aspergillus spp, and Penicillium spp. The two kilns used in smoking are Modified Drum Kiln (MDK) and Mud kiln (MK). The MDK had a higher impact on the total viable count (TVC) and reduced the TVC of the fresh sample by 37.5% while the MK reduced it by 29.5%. In a similar trend the MDK reduced the number of Staphylococci and fungi by 43.3% and 33.8% respectively while the MK only reduces them by 30.9% and 26.3% respectively. Statistical test indicated significant difference (P〈0.05) in the microbial load of fish processed in the two kilns. However, the reduction of the Coliform by the two smoking kilns is not significantly different.
    Description: Includes:- 3 tables.;10 refs.
    Keywords: Fisheries ; Nigeria ; Smoked fish ; Smoking Kiln ; Tilapia ; freshwater environment ; Cured products ; Processed fishery products ; Quality ; Microbiological analysis
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    Format: 381 - 385
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  • 11
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    Effect of cold and hot smoking of Clarias gariepinus on consumer preference (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23062 | 19325 | 2018-03-10 14:32:20 | 23062 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-12
    Description: The objective of this study was to determine the best smoking method that will enhance consumer preference for Clarias gariepinus without affecting negatively the nutritive value. Two methods of smoking were used: cold and hot smoking. The fish were smoked with improvised drum smoking kiln and oven. Smoked fish samples obtained were subjected to chemical analyses and sensory evaluation. Chemical analyses showed that the smoked fish were still rich in protein (66.0067.52%) and fat (9.83-12.28%); while the moisture content ranged between 7.82-8.24% and ash, 12.86-14.16%. There was no significant difference (P〉0.05) in the protein, ash and moisture contents. Significant differences (P〈0.05) were observed in the Calcium(Ca), Potassium(K), Sodium(Na), Zinc(Zn), Lead(Pb), Iron(Fe) and Phosphorus(P) contents. Only hot smoke-dried (HSD) fish samples showed no presence of lead. The levels of sodium(Na) and potassium(K) in the smoked fish were relatively high, though, the amount of potassium(k) was higher. Sensory evaluation results revealed that there were no significant differences (P〉0.05) in the colour and taste ratings of the smoked fish samples. However, significant differences (P〈0.05) were observed in the odour, texture and overall acceptability. Hot smoke-dried and cold oven-dried Clarias gariepinus had the best overall acceptability in ratings.
    Description: Includes:- 1 table.;2 figs.;12 refs.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; freshwater environment ; Fishery products ; Processing fishery products ; Cured products ; Curing ; Mineral composition
    Repository Name: AquaDocs
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    Format: 389 - 393
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  • 12
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    Women in frozen fish marketing in Lagos State: strategies and methods (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23067 | 19325 | 2018-03-10 14:36:09 | 23067 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-12
    Description: Lagos state has a major sea port for landing of frozen fish from Mauritania, Senegal, the Scottish waters and other European countries. In the last three years, the dense population of the state has encouraged all kinds of trade to thrive. Fish as a major food in many Nigerian diets has been known to complement the high carbohydrate intake of majority of the Nigerian populace because of the unaffordable prices of beef in the market. The market for frozen fish is rich in Lagos. It has provided many women fishmongers a livelihood for over a decade. They have been able to sustain their families and improve their social status over the years. This study reports the modus operandi of the trade. The study covered a period of three months. Fish sales were monitored in Epe, Oyingbo, Ijora and Alaba markets. The cooperation of the heads of markets (Iya Olojas) were requested at every market. It was ensured that observations and the interviews/questionnaires do not interfere with the women's activities. Specific areas focused upon in the study included countries of fish imports, most acceptable species, packaging, purchase price, sales price and profit margins. Other important factors in the fish market that were studied included entrance into the fish marketing business, sources of finance and problems. The study also made suggestions on how to improve upon the fish marketing business of women in Lagos State.
    Description: Includes:- 1 table.;3 refs.
    Keywords: Fisheries ; Sociology ; Nigeria ; Lagos State ; Frozen Fish ; freshwater environment ; marine environment ; Women ; Frozen products ; Processed fishery products ; Marketing ; Chilling storage
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    Format: 409 - 412
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  • 13
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    Quantification of vitamin C (ascorbic acid) requirements of Heterobranchus longifilis fingerlings (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23039 | 19325 | 2018-03-05 20:35:11 | 23039 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: A feeding experiment was conducted to quantify the minimum dietary vitamin C requirement of Heterobranchus longifilis fingerlings and the minimal dietary inclusion levels that will meet these requirements after degradation from feed processing and storage. Fish were fed a basal diet with 42.5% crude protein for a conditioning period of 2 weeks. Following conditioning, fingerlings with initial mean weight, 2.3~c0.3 g were stocked as groups of 20 fingerlings into 30 litre tanks in a mini flowthrough experimental system and fed the basal diet and experimental diets supplemented with 0, 50, 100, 150, 200, or 250 mg of L-ascorbic acid kg-1 diet obtained from TUYIL PHARM. INDUSTRIES, lIorin, included into the basal diet by replacing part of the silica component and fed to triplicate groups for 20 weeks. Fish fed the control (0 mg vitamin C kg-1) diet exhibited deficiency signs including lordosis, caudal fin deformity, skin erosion and significantly suppressed weight gain and higher condition factor. Protein efficiency ratio and specific growth rate were significantly improved with increasing levels of vitamin C up to 200mg kg-1 diet. Tissue (liver, kidney, gills and muscle) ascorbate concentration generally reflected dietary inclusion levels with the signiticant lowest level occurring in the control groups. Vitamin C analysis after feed processing revealed 18 - 21% loss. The least mean squares error regression analysis of weight gain data on inclusion level of vitamin C revealed that the minimum dietary requirement of H. longifilis is 82.2~c0.2 mg vitamin C kg-1 diet which corresponds to 100 mg of vitamin C kg-1 diet based on data from this study.
    Description: Includes:- 4 tables.;1 fig.;6 plates.;32 refs.
    Keywords: Aquaculture ; Heterobranchus longifilis ; Nigeria ; New Bussa ; freshwater environment ; Fish culture ; Feeding experiments ; Vitamin C ; Growth rate
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  • 14
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    The length weight relationship and condition factor of the Banded Jewel fish (Hemichromis fasciatus Peters) from Kainji Lake, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23214 | 19325 | 2018-03-25 12:46:05 | 23214 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The length weight relationship and condition factor of Hemichromis fasciatus from Kainji Lake was studied. One hundred and twenty seven fish samples of total length ranging from 6.50cm 15.50cm and weigh between 4.00g and 60.00g collected between August 2006 and June 2007 were analyzed. Results showed that a, b and r - values were 0.0042, 3.442 and 0.966 respectively, while the condition factor (CF) values varied from 0.67 2.42 with mean of 1.203. The fish exhibited positive allometric growth pattern. The condition of the lake is favourable for the survival of the fish species.
    Description: Includes:- 2 tables.;1 fig.;15 refs.
    Keywords: Ecology ; Fisheries ; Hemichromis fasciatus ; Nigeria ; kainji L. ; freshwater environment ; Length-weight relationships ; Condition factor
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  • 15
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    The impact of meteorological parameters on fish weight loss in the Kainji Solar Tent Dryer (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23285 | 19325 | 2018-03-28 16:10:49 | 23285 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Metrological parameters and their impacts on weight loss of fish inside Kainji Solar Tent Dryer were experimentally investigated. Drying experiments were conducted in solar dryer across the five agro ecological zones of Nigeria. During the drying experiments, the parameters such as temperature, relative humidity were lowest. The study showed that meteorological parameters were the primary determinants for fish drying within the Kainji Solar Tent Dryer, since weight loss during the experiment followed the pattern of these parameters
    Description: Includes:- 2 tables.;2 figs.;5 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Processing fishery products ; Drying ; Solar power
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  • 16
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    Population dynamics of periwinkle Tympanotonus fuscatus var fuscatus (Linnaeus, 1758) in the Bonny Estuary, Niger Delta, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23289 | 19325 | 2018-03-30 14:45:43 | 23289 | Fisheries Society of Nigeria
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    Publication Date: 2021-07-13
    Description: The growth, mortality and recruitment pattern of Tympanotonus fuscatus var fuscatus were investigated using shell length (SL) - frequency data obtained from the mangrove swamps of the Bonny River, population. Computer based software package FiSAT (FAO - ICLARM Fish Stock Assessment tool) were used for the analysis. Sampling was done between January to December, 2004. Results obtained showed relatively high growth, low mortality and recruitment pattern with two peaks annually.
    Description: Includes:- 2 tables.;1 fig.;11 refs.
    Keywords: Ecology ; Fisheries ; Tympanotonus fuscatus var fuscatus ; Nigeria ; Bonny Estuary ; freshwater environment ; Population dynamics ; Growth rate ; Mortality ; Recruitment
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  • 17
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    The length-weight relationship and condition factor of Citharinus citharus citharus in Lake Kainji, Nigeria (2021)
    Fisheries Society of Nigeria | Kaduna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23314 | 19325 | 2018-03-30 15:25:47 | 23314 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The length - weight relationship and condition factor of Citharinus citharus citharus was studied for a period of twelve (12) months from Lake Kainji, Nigeria. Nine hundred and eighty nine (989) fish samples (Citharinus citharus citharus) with total length ranging from 100mm to 530mm and weight ranging from 31.00g to 2250.00g were analysed. The results showed that the values of a, b and r were 0.0039, 3.2134 and 0.8997 respectively. The condition factor(K) values varied from 2.9 to 4.5, which means that the growth pattern of the fish is based on the value of 'a'. the fish species are also living well in the Lake as the 'K' are greater than one.
    Description: Includes:- 2 tables.;9 refs.
    Keywords: Ecology ; Fisheries ; Citharinus citharus citharus ; Nigeria ; kainji L. ; freshwater environment ; Condition factor ; Length-weight relationships
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  • 18
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    Food and feeding habit of Tympanotonus fuscatus var fuscatus (Linnaeus, 1758) in the mangrove swamps of the Bonny River, Niger Delta, Nigeria (2021)
    Fisheries Society of Nigeria | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23324 | 19325 | 2018-04-06 16:00:32 | 23324 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Studies on the food and feeding habit of T. fuscatus var fuscatus from the mangrove swamps of the Bonny River, Niger Delta revealed that the species is a deposit feeder but fed more on algae and protozoa. The variation of food types with season were determined from the numerical and frequency of occurrence methods of food analysis. The algae were of Stephanodiscus, Cosanodiscus. Navicula and Nitzschia species, while the protozoa were Arecella arenaria, Pseudodileptus and Trinema species. Feeding actively occurred at low tides, this coincided with the presence of algae on the mud surface. No qualitative seasonal variation occurred as T. fuscatus var fuscatus fed basically on the primary diets at all seasons.
    Description: Includes:-1 table.;1 fig.;9 refs.
    Keywords: Ecology ; Fisheries ; Tympanotonus fuscatus var fuscatus ; Nigeria ; Niger Delta ; freshwater environment ; Feeding behaviour ; Stomach content ; Food consumption ; Stomach ; Seasonal variations
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  • 19
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    Lysine requirement of Oreochromis niloticus (2021)
    Fisheries Society of Nigeria | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23370 | 19325 | 2018-04-10 16:05:46 | 23370 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Oreochromis niloticus was reared in 54 litre glass tanks being fed with 35% crude protein diets for 56 days. A basal diet consisting intact protein from groundnut cake and guinea com (4.56g lysine/100g protein) ,four graded levels of crystalline lysine was added to formulate diets consisting 6.87, 7.30, 7.41, 7.51 g lysine /100g protein and a reference diet of intact protein from groundnut cake, guinea com and fish meal having 5.37g lysine/100g protein was fed to six treatments in triplicate groups. The growth parameters shows there was no significant difference in the mean weight gain, specific growth rate, food conversion efficiency and protein efficiency ratio of fish fed varying levels of lysine. A maxima was obtained from the quadratic equation of food efficiency ratio against graded levels of lysine at 7.3g/100g protein which is the requirement. Carcass ash was higher with the initial fish while crude protein was highest with the the fish fed 7.3g lysine/l00g protein
    Description: Includes:- 6 tables.;22 refs.
    Keywords: Aquaculture ; Oreochromis niloticus ; Nigeria ; New Bussa ; Fish culture ; Nutritional requirements ; Nutrition ; Feeding experiments ; Lysine
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  • 20
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    Mercury content of some canned seafood collected from Nigerian retail markets (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23444 | 19325 | 2018-05-02 08:30:46 | 23444 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Twenty samples of canned seafood consisting of tuna, mackerel, sardines, prawn and shrimp were collected from retail operations in Victoria Island, Lagos, Nigeria. Mercury content in these canned seafood were determined after digestion by the Association of Official Analytical Chemists methods. The mercury contents for all the canned seafood products have concentrations well below the permissible EU levels for this toxic metal. Their contribution to the body burden can therefore be considered negligible and the canned seafood products seem to be safe for human consumption.
    Description: Includes:-1 table.;13 refs.
    Keywords: Fisheries ; Pollution ; Nigeria ; freshwater environment ; Mercury ; Heavy metals ; Pollution ; Chemical pollution
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  • 21
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    Impact of oil exploration on fisherfolks' livelihood and safety of fisheries industry in Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23443 | 19325 | 2018-05-02 08:29:36 | 23443 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: There have been many outcries in the Nigerian media on the various environmental degradation of the vast water space in the Niger Delta area of Nigeria by oil explorers. About 70% of the Nigerian populace lives in the coastal areas where the occupation is predominantly fishing and farming. For most of the publications, the extents of impact on the fishing industry are not addressed in order for solutions to be given. Production from the fisheries sector has dropped astronomically thereby earning the country a deficit due to importation of frozen fish to the country. In this study, a survey of three states (Bayelsa, Rivers and Delta) in the Niger Delta area of Nigeria was done. The communities studied include Ogulagha, Okobelema and Okpoama. Personal interviews with fishermen and primary data on the sector’s contribution to fish production and GDP were also carried out. The study aimed at finding out the sources and nature of degradation and the impacts such have on the fishing industry and the socio-economics of the fishermen. The study revealed that there are no significant difference in the negative impacts of environmental degradation caused by the activities of the oil companies on the socio-economics of the fishermen ((F2,27=0.59, P〉0.05)) The difference is not significant and the hypothesis is therefore accepted. The major impact on fishing was depletion in catches and low income earnings by fishermen with a resultant poor quality of living and livelihood. Oil spills, foreign vessels incursions and bunkering, vandalization of pipelines were identified sources of depletion in fish catches from the wild. The personal interviews and Focus Group Discussion (FGDs) showed that most heads of communities rely on the remuneration they get from the companies and refused to mobilize the fishermen for joint action against the oil companies. Mitigation measures usually carried out by the oil companies do not actually replenish the destroyed mangroves where breeding of fishes take place. The communities need the Government to institute high level surveillance of the high seas and monitor the activities of oil explorers as well as education of the communities on the effects of bunkering near shoreline.
    Description: Includes:- 1 table
    Keywords: Fisheries ; Pollution ; Sociology ; Nigeria ; Delta State ; Nigeria ; Bayelsa State ; Nigeria Rivers State ; brackishwater environment ; Degradation ; Pollution effects ; Oil spills ; Oil pollution
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  • 22
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    Bioaccumulation of heavy metals in freshwater Clarias anguillaris and Parachanna africana from Lake Geriyo in Yola, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23447 | 19325 | 2018-05-02 08:36:01 | 23447 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This study was carried out to determine the bioaccumulation of heavy metals in Clarias anguillaris and Parachanna africana from Lake Geriyo Yola, Nigeria using energy dispersive X-ray fluorescence (EDXRF) spectrophotometer. The results in (mg/kg, dry weight) showed different levels of Cr, Cu, Mn, Fe, Ni, Zn, and Pb in the two fish species. The order of heavy metals accumulated by C. anguillaris and P. africana are Cr〉Fe〉Zn 〉 Mn〉Cu〉Ni〉Pb and Ni〉Fe〉Zn〉Cu respectively. The levels of Cr, Mn and Ni in C. anguillaris and in Ni in P. africana were higher than WHO and FEPA recommended maximum permissible limits (MPL) in fish, while the levels of Zn, Cu and Pb were below the standards. The results suggest that Lake Geriyo has high pollution loads of these heavy metals in fishes and could pose a health hazards to man. Consequently, close monitoring of heavy metal loads in Lake Geriyo is recommended with a view to minimizing the risks to health of the population that depend on the lake for their water and fish supply.
    Description: Includes:- 1 table.;13 refs.
    Keywords: Fisheries ; Pollution ; Clarias anguillaris ; Nigeria ; Geriyo L. ; freshwater environment ; Bioaccumulation ; Pollution effects ; Heavy metals ; Hazard assessment
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    Format: 185-188
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  • 23
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    Toxicity of drilling fluid XP-07 on microbial load and survival of Oreochromis niloticus fingerlings (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23441 | 19325 | 2018-05-02 08:26:44 | 23441 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Static bioassays were carried out in the laboratory for 96h to investigate the effect of Parateq a synthetic base mud on the fingerling of Orechromis niloticus and their microbial population. The fingerlings were exposed to different concentrations (0, 1000, 3000, 5000 and 9000Mg/l) of drilling fluid. Fish mortality data were recorded at 24, 48, 72 and 96h and analysed using Finney’s Probit Analysis method to calculate LC50 values (concentration of drilling fluid in water that will kill 50% of the fish population in 96 hours). The 96h LC50 was 2210Mg/l.The mortality increased with increase in concentration, while, the lethal times decreased as concentration increased. The bacterial biomass ranged from 1.59 x 108 to 6.0 x 106CFU/ml while fungal biomass ranged from1.0 x 103 to 2.1 x 104 CFU/ml. Results revealed that there was an increase in fungal biomass with increase in mud concentration and a decrease in bacterial biomass with increase in mud concentration.
    Description: Includes:- 2 tables.;1 fig.;20 refs.
    Keywords: Biology ; Fisheries ; Pollution ; Oreochromis niloticus ; Nigeria ; Aluu Rivers State ; freshwater environment ; Toxicity ; Microbiological analysis ; Microbial contamination ; Pollution effects ; Chemical pollutants
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  • 24
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    Toxicity of herbicide Propanil on Oreochromis niloticus fingerlings (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23438 | 19325 | 2018-05-02 08:16:59 | 23438 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A static bioassay method to determine the acute toxicity of the herbicide propanil to Oreochromis niloticus was investigated under Laboratory conditions for 96 hours exposure period. Concentrations of propanil used include: 0.0096ml/l, 0.0103ml/l, 0.011ml/l and 0.012ml/l respectively. The lethal concentration (LC50) value of propanil on fingerlings of Oreochromis niloticus was 0.0097ml/l for 96 hours of exposure. The regression equation for probit kill from propanil was found to be Y = 29.84 + 12.33* log conc. (r2 0.9951, Y = Probit kill). Fish showed various abnormal behaviours upon exposure to propanil. Immediate reaction was erratic swimming and tendency to jump out of the test bowl. Others include: restlessness, un-coordinated movement, vertical swimming, air gulping, equilibrium loss, a period of quiescence and eventually death.
    Description: Includes:- 2 tables.;1 fig.;21 refs.
    Keywords: Fisheries ; Pollution ; Oreochromis niloticus ; Nigeria ; Markudi ; freshwater environment ; Toxicity ; Lethal effects ; Toxicants ; Pollution effects ; Fingerlings ; Herbicides
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  • 25
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    Relationship among Tilapia guineensis fingerlings abundance and water quality variations in a brackish water reservoir in Lagos (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23442 | 19325 | 2018-05-02 08:28:15 | 23442 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: In recent times there has been an upsurge in the culture of Tilapia in Nigeria resulting in increased demand for the fingerlings which is hardly satisfied. This is due to increasing demand for table size tilapia as food fish and under-sized tilapia in the fish meal and fish canning industries in Nigeria. Collection of Tilapia guineensis fingerlings from the wild, to augment hatchery production, has been the practice and this is subject to environmental fluctuations. Multivariate regression and correlation analyses of accumulated data were used to investigate the effects of changes in water quality parameters on abundance of fingerlings of Tilapia guineensis in a brackishwater habitat in Lagos. Dissolved oxygen (DO), salinity and secchi transparency were found to be the most dominant factors affecting the abundance of Tilapia guineensis fingerlings in the Lagos lagoon. Peak period of abundance was closely associated with period of low salinity (0.50%o to 5.60%o), which coincided with the period of low transparency and low DO in the rainy season. The correlation analyses of Tilapia guineensis fingerlings with the water quality parameters yielded the following correlation coefficients (r)- 0.598; (salinity); -0.644 (transparency); -0.710 (DO); -0.566; (temperature) and 0.129 (pH). The abundance of Tilapia guineensis fingerlings in the Lagoon was ultimately defined by a suitable regression equation. This result is expected to optimize the collection of fingerlings of Tilapia guineensis from the wild and boost food fish security in Nigeria and elsewhere.
    Description: Includes:- 1 table.;1 fig.;( refs.
    Keywords: Chemistry ; Fisheries ; Tilapia guineensis ; Nigeria ; Port Harcourt ; brackishwater environment ; Water quality ; Fingerlings ; Chemical properties ; Physicochemical properties
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  • 26
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    Effects of locust bean (Parkia bigtobosa) effluent on the histology of Clarias gariepinus juveniles (Burchell 1822) (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23448 | 19325 | 2018-05-02 08:37:49 | 23448 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The poor nature of most Agricultural processing practices in Nigeria have had adverse effect on our environment, and our aquatic resources are of no exception. This study was conducted to ascertain the median lethal concentration of the effluent within the 96 hours period and also to ascertain the extent of damage on some of the histological characteristics of the Clarias gariepinus juveniles. Juveniles of the Clarias gariepinus (mean weight 30g) were exposed to varied concentrations of the locust bean effluent under the standard laboratory conditions. Data on mortality corresponding to the various concentrations were subjected to the probit and logit transformations and used to calculate the LC50 graphically. The result shows the toxicity of the locust bean effluent to Clarias gariepinus juveniles as 0.089mg/L (treatment 4) during the period of study. Exposure to both the acute and subletheal concentrations resulted in a number of physiological dysfunction of the test fish. Observation of the fish under the tests revealed unbalanced swimming patterns loss of reflex, rapid opercular movements and gasping for air. Histopathological examination of the gill and liver of the treated fish showed signs of damage, ranging from Hypoxia, lesions, necrosis, fibrosis cell stasis and hyperplasia at the sublethal levels.
    Description: Includes:- 2 tables.;1 fig.;22 refs.
    Keywords: Fisheries ; Pollution ; Clarias gariepinus ; Nigeria ; Parkia bigtobosa ; freshwater environment ; Toxicity ; Lethal effects ; Pollution ; Histology
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  • 27
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    A brief examination of the food and biometric features of the grey mullet, Mugil cephalus (Linnaeus) from low brackish / fresh water lagoon (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23452 | 19325 | 2018-05-04 17:37:43 | 23452 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A total number of 166 specimens of Mugil cephalus caught from Epe Lagoon (low brackish/ freshwater) were examined for food and feeding habit and biometric features from November 2006 ? May 2007. The food of the species consisted mainly of algae (Bacillariophyta, Cyanophyta, Chlorophyta and Pyrrophyta) and detritus. The size range of fish examined were 12.4 ? 27.0cm (standard length) while the weight ranged from 22.40 ? 308.00g. The mean values of the biometric characters of Mugil cephalus did not reflect wide variations. The population dominant cohort in the lagoon represents the harvestable and marketable representative for a sustainable fishery and is a strong indication of potential for freshwater culture of this marine species.
    Description: Includes:- 2 tables.;1 fig.;23 refs.
    Keywords: Ecology ; Fisheries ; Mugil cephalus ; Nigeria ; Epe Lagoon ; freshwater environment ; marine environment ; Feeding behaviour ; Food preferences ; Biometrics
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  • 28
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    Fish diversity in two reservoirs in Southwest Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23458 | 19325 | 2018-05-04 17:48:45 | 23458 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This study investigated the fish diversity of Eko ? Ende and Owalla reservoirs, which are within the Osun river system in South West, Nigeria with a view to document biodiversity information needed for conservation and sustainable fisheries. Fish samples were collected monthly from the two reservoirs for one year, using a battery of multifilament gill nets. The data collected from each reservoir was analyzed for fish diversity. Information obtained on the forage / carnivore (F/C) ratio of fishes in each reservoir was used in measuring and comparing the ecological balance of the reservoirs. The results showed that eighteen fish species representing 16 genera and 10 families were identified in Eko ? Ende, while 17 fish species in 15 genera and 10 families were identified in Owalla during the period of study. Sixteen species (representing 84.2% of the total number of fish species) were common to both reservoirs and they were both dominated by Cichlids. Eko ? Ende Reservoir had greater fish diversity than the Owalla Reservoir. Shannon ? Weiner (H') index of fish diversity from Eko ? Ende reservoir was 2.37 while that from Owalla reservoir was 2.10. The forage / carnivore (F/C) ratios of the fishes from the two reservoirs showed that Eko ? Ende reservoir (F/C = 1.98) is ecologically balanced, while Owalla reservoir (F/C = 0.92) is not Owalla reservoir had a higher population of Hemichromis fasciatus (a predatory species). This reservoir also had more intensive fishing activities than the smaller Eko ? Ende reservoir. The study concludes on the need for a participatory research to alleviate the problem of ecological imbalance of fish species in Owalla reservoir.
    Description: Includes:- 4 tables.;28 refs.
    Keywords: Ecology ; Fisheries ; Nigeria ; Eko-Ende Reservoir ; Nigeria ; Owalla Reservoir ; freshwater environment ; Biodiversity ; Species diversity ; Check lists
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  • 29
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    Fatty acid composition of catfish (Clarias gariepinus) viscera oil (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23502 | 19325 | 2018-05-07 12:25:41 | 23502 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The fatty acid composition of oil extracted from the viscera of African catfish, Clarias gariepinus caught from a fish farm in New Bussa was investigated with a view to prove their usefulness. A total of 20 fatty acids were obtained out of which five were identified. Lauric, Palmitic and Stearic acids were the main saturated and monounsaturated fatty acids respectively. The principal acids in the polyunsaturated group were Oleic and Linoleic acids. C. gariepinus viscera is constituted of polyunsaturated fatty acids which make it a valuable pharmaceutical raw material rather than waste.
    Description: Includes:- 1 table.;10 refs.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; New Bussa ; freshwater environment ; Fatty acids ; Polyunsaturated fatty acids ; Chemical properties
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  • 30
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    Proximate analysis of snakehead fish, Parachanna obscura (Gunther 1861) of the Cross River, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23509 | 19325 | 2018-05-08 15:33:45 | 23509 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: African snakehead, Parachanna obscura is being considered as an emerging aquaculture candidate in Nigeria. The species is very palatable and has a good fillet quality. Study was conducted on the proximate composition of the species from Cross River, Nigeria. Samples of snakehead were analyzed for protein, fat, moisture, crude fibre and ash contents. The protein content of the species ranged from 21.03-22.03 with mean value of 21.5%. The fat content ranged from 17.1-17.4% with a mean value of 17.2 %. Moisture content ranged from 51.1-52.0 % with a mean value of 51.7%. Ash and crude fibre contents were very low. The protein content of Parachanna obscura compares favourably with that of other members of the family Channidae. The fat content is exceptionally high, making the species a good healing and recuperating agent for post-natal and post-operation patients. We strongly recommend the culture of Parachanna obscura in Nigeria and its meal for growing children.
    Description: Includes:- 2 tables.;16 refs.
    Keywords: Fisheries ; Parachanna obscura ; Nigeria ; Calabar ; Proximate composition ; freshwater environment ; Proteins ; Body conditions ; Moisture ; Ash content
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  • 31
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    Lipid profile and blood by-products of deformed and healthy African mud catfish (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23507 | 19325 | 2018-05-08 15:28:31 | 23507 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Study was conducted to investigate lipid profile and metabolites in deformed (lost one or both pectoral fins) and healthy (both pectoral fins intact) African mud catfish C. gariepinus using three groups of adults male and female with a mean weight and standard length of 822.17~c 48.75g and 42.55~c.26cm respectively. The fish were allotted in replicates to 5000m capacity tanks based on the presence or absence of pectoral fins. 1mL blood was drawn from caudal peduncle of each fish by means of disposable sterile syringe and centrifuged at 1000rpm for 20min at 40C. Cholesterol and total protein were determined using the cholesterol FL (CT F400CH) and total protein (TP 0500CH) kits. Serum albumin and globulin concentrations were determined following methods described by Tietz (1995) and Buckley et al., (1976) while total serum bilirubin concentration was measured as outlined by AACC (American Association of Clinical Chemistry). Results indicate that male fish had relatively higher amount of triglyceride while female fish had higher amounts of cholesterol, reduction in globulin of the deformed fish, reduction in the concentrations of albumin in healthy fish, increase in total protein and globulin levels and high urea concentrations. No total bilurubin was detected in any of the fish sampled thus an indication of good liver function which means there was no liver dysfunction or liver damage in the fishes. It is evident therefore that abnormal fish can still perform better if they are given intense management because of the variability in their blood constituents with the normal fishes which is used to assess their health is minimal. Keywords: Blood, Cholesterol, Deformed, Healthy, C. gariepinus.
    Description: Includes:- 2 tables.;30 refs.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; Badagry ; freshwater environment ; Lipids ; Blood ; Cholesterol ; Metabolites
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  • 32
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    The comparative effect of fish and blood meal based diets on the growth and survival of juvenile tilapia (Oreochromis niloticus) in concrete tank (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23508 | 19325 | 2018-05-08 15:31:05 | 23508 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: An experiment was carried out to find out the comparative effect of imported fish meal, blood meal and local fish waste based diets on the growth and survival of juvenile tilapia. (O. niloticus) in concrete tank. Four diets consisting of N.I.O.M.R. pelleted feed containing 40% CP, with imported fish meal, as the control and three others formulated with fresh, boiled cattle blood and local fish waste meal at 30% CP, were fed to juvenile tilapia with average initial weight of 55.24g in four treatments and four replicates in a completely randomized design. Result indicated final body weights of 100.83, 96.54, 98.4 and 86.82g and average body length of 18.47, 18.16, 18.4 and 18.14cm, for treatments 1 (control), 2 (fresh blood based diet), 3 (boiled blood based diet) and 4 (local fish waste meal based diet) respectively, with no significant difference between the treatments (P〉0.05). The same was also true for average daily weight gain of 0.41, 0.36, 0.31 and 0.28g. However, treatment 1 and 2 had better relative weight gain 93.69 and 80.21%, than 3 and 4 at 62.37 and 64.85% respectively, (P〈0.05). The survival was 100% in all treatments. Treatment 2 was more cost effective at N539.06/Kg fish, followed by 1 with N667.52. Treatments 3 and 4 had the highest at N698.20 and N718.60 per kg fish. The trial showed that tilapia feed processed with fresh cattle blood performed as well as imported fish meal, boiled blood and local fish waste and in addition was more cost effective.
    Description: Includes:- 6 tables.;11 refs.
    Keywords: Aquaculture ; Oreochromis niloticus ; Nigeria ; Port Harcourt ; Feed evaluation ; freshwater environment ; Feeding experiments ; Diets ; Nutritional requirements ; Survival ; Growth rate
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    Enforcement of inland fisheries regulations and law in Oyo State (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23514 | 19325 | 2018-05-08 15:41:07 | 23514 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study assesses the enforcement of Inland Fisheries Regulations and Laws in Oyo State. This was done with a view to ascertaining the existence of regulations and laws that govern the inland waters of the state; the agents that are responsible to carry out the enforcement and the problems militating against the effectiveness of enforcement in the state, in order to provide relevant information for policy formulation and management of fishery resources. Information was gathered from secondary sources which include edicts for the state, journals and mass media reports. Personal interview with government fisheries officials and fishermen was also conducted. The research findings revealed that Oyo State has only fishing by-laws. The study also reveals that fishermen's co-operatives were the enforcement agents in the state. There was no record of arrest during the period of the study. Problems such as non- availability of surveillance and arresting equipment, lack of trained law enforcement fisheries officers were identified. The paper elaborates on possible management strategies of inland waters as a prelude towards increased fish production in the State.
    Description: Includes:- 11 refs.
    Keywords: Fisheries ; Law ; Nigeria ; Oyo State ; freshwater environment ; Legislation ; Fishery industry legislation ; Fishery regulations
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    Micro-credit: financing fish production in Nigeria - a review (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23516 | 19325 | 2018-05-08 15:44:14 | 23516 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Microfinance refers to loans, savings, insurance, transfer services and other financial products targeted at low-income people. Artisanal fishing is a crucial source of livelihoods in developing nations, particularly for low-income families in rural areas where job options are limited. Nigeria depends heavily on revenues from natural resources, especially oil hence income from fishing is particularly important to Nigeria. Aquaculture is also being practiced with a growth rate that has increased over the years. Sources of funding for the operators of these sectors of the economy who are mostly poor peasants will ensure sustainable production and income generation. Informal microfinance groups have existed before the advent of formal microfinance. Microfinance institutions in Nigeria operate in an environment that is dominated by commercial banks. However, their high deposit rate makes them attractive to the low income group. This paper examines the emergence of microfinance institutions, their contributions to fisheries and aquaculture and constraints to be overcome to enable them serve the fisheries and aquaculture sector better.
    Description: Includes:- 1 fig.;14 refs.
    Keywords: Fisheries ; Management ; Nigeria ; freshwater environment ; Financial institutions ; Financial resources ; Financing ; Fisheries ; Fishery economics ; Fishery management
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    Fish trading: a tool for socioeconomic enhancement and poverty alleviation (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23519 | 19325 | 2018-05-08 15:49:39 | 23519 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A study was conducted in Abeokuta, the Ogun State capital with the objective to investigate if fish trading could be a tool of poverty alleviation and socio-economic enhancement of the status of women in the household. A total of 120 correctly completed, structured and pre-tested questionnaires, out of the 150 administered to respondents, were retrieved for data analyses. Demographic data of the traders showed that all the respondents were women whose ages ranged from 15 to above 45 years. The ages of 33-45 years constituted 33.3% of the respondents while the age bracket of between 27-32 years constituted 23.3%. Majority (73.3%) were married while 25% were single-headed households (divorced or widowed). The study revealed that most of the respondents (approximately 61%) were able to meet their family expenditure jointly with their spouses while 28.3% of the respondents met the financial responsibilities of their families solely from the profit. Access to credit was found to be a major limitation. The study further revealed that 86.7% of the respondents would like to continue with the business because they were satisfied with the profit accruable to them from the trade.
    Description: Includes:- 3 tables.;19 refs.
    Keywords: Management ; Fisheries ; Nigeria ; Abeokuta ; Poverty alleviation ; freshwater environment ; Marketing ; Market research ; Women ; Fisheries
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    Policy and policy framework for growth of women's fisheries activities: accessing micro credit facilities for women in fisheries development as a fundamental human right (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23517 | 19325 | 2018-05-08 15:46:10 | 23517 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This paper begins with a review of policy issues on status of women’s fundamental human rights and the effects on their optimal participation in fisheries development. The focus of the paper is on the importance of women in fisheries activities within the fisheries industry. Issues pertaining to gender inequality in the rural communities affecting women in the fisheries sector, and solutions to overcome some of these issues are discussed. The degree of participation of women in the fisheries sector is an overall reflection of the cultures, the laws of the country and the priority given by the state to ensure gender equity. Generally, women in Nigeria, especially those from depressed fisheries households, participate actively in many fisheries activities, including aquaculture. However, the lower status accorded to women in many of the communities in Nigeria means that their contribution to fisheries is undervalued and unrecognized. Issues that need to be addressed with regards to participation of women in fisheries which include sensitivity to gender issues in fishery, improve living conditions, promote programs relating to women, reconsidering the practice of relating fishing rights to their right to speak and others are discussed in the paper The paper also looks at the possibilities of articulating measures in sensitizing the womenfolks through education, especially in knowing their fundamental human rights as specified by the UN’s articles, especially ability to access micro-credit in fisheries activities, the nature of loans and alternative strategies to tackle the problem of small-scale credit to women in fisheries development in the nation.
    Description: Includes:- 2 tables.;2 figs.;12 refs.
    Keywords: Fisheries ; Sociology ; Nigeria ; Ibeju Lekki ; freshwater environment ; Women ; Fishery policy ; Financial institutions ; Financial resources ; Financing
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    Women's participation in lower Ikpa River fisheries of Akwa Ibom State, Nigeria: a case study of Ifiayong (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23523 | 19325 | 2018-05-09 12:27:39 | 23523 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Ifiayong is a small local village market where economically and commercially important fin and shellfishes are landed. It is located very close to the Five Star and Ibom Le Meridian Hotels at Nwaniba beach. Women functioned as transporters, sorters, processors, financiers, distributors and marketers of the thirty-two finfish families, seven shellfish species together with three turtles (reptiles) encountered at the study site. Socio-economic survey revealed that ninety-four women modally aged 46-55years (34; 36.17%) participated in the fisheries and frequently communicated in Efik (40; 42.55%), and were mostly drop-outs (40; 40.56%) in educational level and polygamous (35; 38.30%). The modal family size was 11-15 persons (45; 47.87%) who invested N 41,000 - N 50,000 (28; 29.79%). Problems encountered by these women together with the corresponding solutions and appropriate recommendations proffered were highlighted with the aim of making Ifiayong a revenue generating and tourism centre for Uruan Local Council and Akwa Ibom State Government.
    Description: Includes:- 1 table.;1 fig.;28 refs.
    Keywords: Management ; Fisheries ; Nigeria ; Ikpa R. ; freshwater environment ; Marketing ; Financing ; Women
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    Management implications of sex ratios of three palaemonid shrimp in the Cross River Estuary, south eastern Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23529 | 19325 | 2018-05-09 12:51:48 | 23529 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Information on sex composition of fish/shellfish species is important in determining reproductive potentials and estimating size structure of a given stock. Sustainable fisheries management options and policies usually rely on this aspect of the reproductive biology. In the present study, the sex ratios of three palaemonid shrimps, Macrobrachium macrobrachion, Macrobrachium vollenhovenii and Macrobrachium equidens were studied over an annual cycle with respect to gear type. Male: female relationship for M. macrobrachion caught with beach seine, pushnet and trap were 1:2.2, 1:2.1 and 1:2.15 respectively, while the M:F ratios for M. vollenhovenii were 1:1.27 (beach seine), 1:1.32 (pushnet) and 1:1.64 (trap). The overall M:F ratios during the annual cycle were 1:2.15 (M. macrobrachion), 1:1.47 (M. vollenhovenii), and 1:1.74 (M. equidens). The monthly sex ratios indicated that there were more females than males during the period, except for M. equidens which had a ratio of 1:0.78 in the month of August. This is advantageous for the stock dynamics of the species, especially if the males could mate with more than one female during any reproductive season.
    Description: Includes:- 1 table.;11 refs.
    Keywords: Biology ; Fisheries ; Macrobrachium equidens ; Macrobrachium macrobrachion ; Macrobrachium vollenhovenii ; Nigeria ; Cross River Estuary ; brackishwater environment ; freshwater environment ; Sex ratio ; Shrimp fisheries ; Reproductive cycle ; Population structure
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    Climate change: implications for fisheries and coastal aquaculture (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23531 | 19325 | 2018-05-09 13:01:07 | 23531 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A keynote address at the 25th annual conference of the Fisheries Society of Nigeria. The paper presented evidence of climate change in the past and discussed the issue of global warming in the past, present and future. The Greenhouse effects are some of the topics discussed. Discussed in greater detail is the Nigerian situation in the global warming and climate change. The potential impacts on aquaculture has been enumerated. The paper is concluded by given suggestionswhich mitigate the impact of climate change and called on the Federal Ministry of Environment to strengthen research and other arms of government to create a strong synergy to work towards ameliorating the impact of climate change in the country.
    Description: Keynote address at the 25th Annual Conference of the Fisheries Society of Nigeria. Includes:- 2 tables.;6 figs.;6 plates;12 refs.
    Keywords: Aquaculture ; Ecology ; Fisheries ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Climatic changes ; Fisheries ; Aquaculture
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    Shellfish resources in Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23528 | 19325 | 2018-05-09 12:49:35 | 23528 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Nigeria is a coastal state with a coastline of 853km which lies between 4o 10’ to 6o20’N and longitude 2o 45’ to 8o 5’ E. The Nigerian coastline stretches from the Western border with the Republic of Benin to the eastern border with the Cameroon Republic. Some of the coastal characteristics which are of importance to the Nigerian inshore demersal fisheries are the presence of thirty-six estuaries and the prominent Niger Delta which provides suitable habitat for the penaeid shrimps, finfish and other living marine resources. Nigeria has a wide variety of shellfish resources ranging from the molluscs such as ark clams (Senila senilis), cockles costatum), periwinkle (Tympanotonus fuscatus) to the crustaceans which includes the penaeidae (shrimps), palaemonidae (prawns), portunidae (swimming crabs) and palinuridae (lobsters). Estimated potential yield for shellfishes is 51,760 metric tonnes. Shrimps and prawns have the highest commercial importance with production estimate between 10,000 to 15,000mt. More than half of this figure is exported to the Organization for Economic Co-operation and Development (OECD) countries with shrimp market valued at US $8.6 billion. Nigeria generated about US $54million in 2005 from export of shrimps and prawns alone. This figure decreased to about US $38million in 2007 due to harassment by sea pirates and militant groups thus decreasing production from 13,767mt in 2006 to an alarming 5,995mt in 2007. However more research needs to be done to ascertain the true potential yield and environmental carrying capacity of the Nigerian shellfisheries to determine the maximum sustainable yield (MSY) so as to prevent over exploitation and consequently the destruction of the fishery. Research should also be carried out on other shellfish resources such as crabs, oysters, periwinkles and lobsters as appreciable income could be earned from their sales and export.
    Description: Includes: 2 tables.;1 fig.;11 refs.
    Keywords: Biology ; Fisheries ; ASE ; Nigeria Coast ; marine environment ; Shellfish fisheries ; Crustacean fisheries ; Mollusc fisheries
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    Effect of smoking duration on the microbiological quality of cold-smoked Atlantic cod, Gadus morhua (Linnaeus, 1758) (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23491 | 19325 | 2018-05-06 13:02:08 | 23491 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: This study evaluated the effect of varying smoking durations of 6, 6.5, 7 and 7.5 hours on the microbiological quality and percentage moisture content of cold-smoked Atlantic Cod, Gadus morhua. The fish sample were cold-smoked using the traditional drum oven. Four batches of the smoked fish were stored in metal baskets at ambient temperatures for a period of 12 days and assessed for Staphylococcus aureus and Escherichia coli loads, Mould count, Total Plate Count and Total Coliform Count. Analyses of the smoked fish samples were carried out at the initial stage (day 0) and subsequently every alternate days (i.e. days 2, 4, 6, 8, 10 and 12). Significant variations (P 〈 0.05) were obtained for all the microbial counts on the four smoked fish samples. The best microbiologically stable cold-smoked samples were that smoked at the longest duration of 7.5 hours. This produced the least mean microbial load range of TPC (1.50 x 103 - 2.00 x 105cfu/g); TCC varied from 0.0MPN/g to 12.0 MPN/g ; Mould count (1.32 x103 - 2.55 x 105 cfu/g) and Staphylococcus aureus (3.0 x103 - 1.35 x 105cfu/g) while percentage moisture content ranged between 25.3% to 15.2%. All the samples tested negative to Escherichia coli.
    Description: Includes:- 2 tables.;15 refs.
    Keywords: Fisheries ; Gadus morhua ; Nigeria ; Ogun State ; marine environment ; Microbial contamination ; Curing ; Processing fishery products
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    Growth, survival rate and condition factor of Heteroclarias hatchlings fed cultured Moina micrura, shell free Artemia and combination of both as starter feed (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23503 | 19325 | 2018-05-07 12:27:24 | 23503 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Growth (Percentage weight gain, Specific growth rate , total body length), survival rate and condition factor of Heteroclarias fry fed shell free Artemia, cultured Moina micrura and mixture of both as starter feed were investigated. 30 individual fry were placed in a 4-litre plastic bowl in three treatments of 3 replicates for 25 days in Fish Hatchery. Individual water quality parameters (water pH, temperature, Dissolved oxygen, total Alkalinity and carbon dioxide) monitored for each treatment were not significantly different (p〉0.05) from each Heteroclarias fry fed live M. micrura had the highest percentage weight gain (496.03%), Specific growth rate (3.09), percentage survival rate (88.83%) and condition factor (39.75) but these results were not significant different (P〉0.05) from those of shell free Artemia except those of condition factor. Shell free Artemia and Live M. micrura combination was observed to have the lowest fry Percentage weight gain (428.30%),. specific growth rate(2.54), % survival rate (85.50), condition factor(24.39) and total body length(1.52cm). The highest total body length was observed in shell free Artemia although not significantly different (p〉0.05) from others. The implication of using cultured live M. micrura instead of shell free Artemia as starter diet for Heteroclarias hatchlings at the critical stage of development are discussed
    Description: Includes:- 6 figs.;16 refs.
    Keywords: Aquaculture ; Heteroclarias ; Moina micrura ; Nigeria ; Keffi ; freshwater environment ; Growth rate ; Survival ; Condition factor ; Feeding experiments ; Fish culture
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    Haematological profile of blood of African catfish (Clarias gariepinus, Burchell 1822) fed sunflower and sesame meal based diets (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23506 | 19325 | 2018-05-07 12:32:20 | 23506 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The effect of substituting soybean meal with raw sunflower and sesame seed meal was evaluated using haematological indices of Clarias gariepinus fed the diets containing sunflower and sesame seed meal. Seven isonitrogeneous and isocaloric diets containing sunflower and sesame seed meal replacing soybean meal at a rate of 15, 30 and 45% were prepared. A diet without replacement of soybean meal served as control. The result of fish fed test diets showed significant (P〈0.05) difference over the fish fed control diet with respect to PCV and mean corpuscular volume (MCV). Fish fed control diet had the lowest Hb, PCV, WBC, RBC, MCV, MCHC, ESr. There was no significant difference (P〉0.05) in the fish fed control diet and test diets with respect to MCH, MCHC, ESr, Neutrophil, Monocytes, Eusinophils and Lymphocytes. Hence it can be concluded that the haemotological parameter of Clarias gariepinus is not significantly (P〉0.05) changed with increase dietary inclusion of raw sunflower and sesame seed meal.
    Description: Includes:- 4 tables.;22 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; Akure ; freshwater environment ; Feeding experiments ; Fish culture ; Diets ; Nutritional requirements ; Haematology
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    Growth response of Clarias gariepinus (Burchell 1822) juveniles fed diets containing raw Mucuna utilis seed meal (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23505 | 19325 | 2018-05-07 12:31:00 | 23505 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Feeding trial was conducted in static water to assess the growth of Clarias gariepinus fingerlings fed different inclusion levels of Mucuna seed meal (MSM). Raw MSM was used at 10%, 20% and 30% inclusion levels and the performance of fish fed these diets was compared with the fish fed soybean-based diet which contained 40%protein. All diets were prepared to be isonitrogenous and isocaloric. A four by six factorial experiment with three replicates using ten fish each of average initial weight of 6.6g was carried out. Daily fish ration of five percent body weight was administered two times for twelve weeks. The specific growth rate (SGR) in diet 1 (control) was significantly (p〈0.05) higher than the other dietary groups and worsens as inclusion level increased similar trend was also observed in the food conversion ratio (FCR) and protein efficiency ratio (PER). The significantly lower growth performance of fish fed diets containing raw MSM might be due to the presence of anti-nutritional factors present raw MSM. The possibility of improving this trend through processing should be investigated.
    Description: Includes:- 3 tables.;14 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; Osogbo ; freshwater environment ; Feeding experiments ; Fish culture ; Diets ; Growth rate
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    Growth of Clarias gariepinus juveniles fed five commercial feed (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23504 | 19325 | 2018-05-07 12:29:55 | 23504 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Clarias gariepinus juveniles 6.35 ~C 0.22 g weight were fed five different commercial diets for 105 days to determine growth rates. Diets were hand distributed in triplicate groups of 30 fish once daily. The diets used were Coppens, Multifeed, Eurogold, Vittal and Ajanla feeds. At the end of the experiment, the final mean weight for Coppens, Multifeed and Eurogold were 181.54 ~c 0.63 g, 179.92 ~c 0.95 g and 139.92 ~c 0.26 g respectively, while final mean weight for Vital and Ajanla were 110.11 ~c 0.23 g and 119.03 ~c 0.35 g respectively. The statistical analysis of the results showed that there were significant differences (P〈0.05) in the mean final weights. Also there was no significant difference (P〉0.05) in the mean final weight between Coppens and Multifeed. The specific growth rates (SGR) were 3.19% day-1 3.18 % day-1 and 2.94% day-1 for Coppens Multifeed and Eurogold respectively and 2.71% day-1 and 2.78% day-1 respectively for Ajanla and Vital. There were significant differences (P〈0.05) in SGR among treatments and no significant difference (P〉0.05) between SGR of Coppens and Multifeed. Based on these findings, it was concluded that feed with macronutrient combinations of 45% CP, 12% crude fat, crude fiber, 1.5%, Ash 9.5% promoted better growth rates in C. gariepinus juveniles as compared with other combinations.
    Description: Includes:- 2 tables.;21 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeriaa ; Port harcourt ; Feed trial ; Feed evaluation ; freshwater environment ; Feeding experiments ; Fish culture ; Feed efficiency ; Feed
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    Effects of replacement of fishmeal with palm grub (Oryctes rhinoceros Linnaeus, 1758) meal on the growth of Clarias gariepinus (Burchell, 1822) and Heterobranchus longifilis (Valenciennes, 1840) fingerlings (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23510 | 19325 | 2018-05-05 13:09:20 | 23510 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Clarias gariepinus (0.73 ~c 0.01g) and Heterobranchus longifilis fingerlings (0.67 ~c 0.01g) were fed five isonitrogenous diets of about 40% crude protein, with varying levels (0-100%) of palm grub meal for 12 weeks. At the end of the study, C. gariepinus and H. longifilis fingerlings fed 25% palm grub inclusion diet had the highest weight gain (5.30g and 4.05g respectively), relative (726.0% and 595.6%) and specific (1.09% and 1.00%) growth rates while those fed 100% palm grub inclusion diet showed least growth; weight gain (2.68g and 2.15g), relative (367.1% and 316.2%) and specific (0.80% and 0.45%) growth rates respectively. Food conversion and protein efficiency were also best in fingerlings fed 25% palm grub meal diet (0.70 and 1.35 for C. gariepinus; 0.75 and 1.35 for H. longifilis respectively) with decreasing efficiency as palm grub inclusion level increased in the diets. The differences in the growth and nutrient utilization of the fingerlings on the various diets were generally insignificant (p〉0.05) above 25% inclusion level of palm grub. The study showed that palm grub can be used to completely replace fish meal in mudcatfish diets. However, for optimal growth and nutrient utilization, 25% level of replacement of fish meal with palm grub meal is most adequate in C. gariepinus and H. longifilis fingerlings diets.
    Description: Includes:- 7 tables.;2 figs.;12 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Heterobranchus longifilis ; Oryctes rhinoceros ; Nigeria ; Ibadan ; freshwater environment ; Feeding experiments ; Growth rate ; Fish culture ; Diets
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    Lysine requirement and its effect on the body composition of Oreochromis niloticus fingerlings (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23512 | 19325 | 2018-05-08 15:38:22 | 23512 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study was carried out to investigate the lysine requirement and its effect on the body composition of Oreochromis niloticus fingerlings. Two hundred and seventy fingerling O. niloticus (9.01 -11.09g) were reared in 35L plastic troughs. Six diets were formulated, containing 35% crude protein. The diets were formulated with ingredients deficient of lysine (Groundnut cake -3.23g lysine/100g diet and guinea corn -1.9g lysine/100g diet) for O. niloticus having whole body content of 7.51g lysine/100g protein. The diets consist of a basal diet (Diet I, no added lysine), while the test diets (II, III, IV and V) had 4.56g, 6.87g, 7.30g, 7.41g lysine/100g protein respectively. The reference diet was made of Clupeids (mixture of Pellonula afzeliusi and Physalia pellucida), groundnut cake and guinea corn but no added lysine (5.37g lysine/100g protein). The fish were fed twice daily (0900 and 18.00hrs) at 3% body weight for 56 days. There was significant difference in the mean weight gain and food conversion efficiency (P〈0.05). The four levels of lysine resulted in quadratic responses (P〈0.05). Calculation using regression equations from the relationship between the specific growth rate, weight gain and lysine levels show that lysine requirement for fingerling was 7.12g/100g protein respectively. The requirement of O. niloticus for lysine is 7.12g lysine/100g protein.
    Description: Includes:-6 tables;18 refs.
    Keywords: Aquaculture ; Oreochromis niloticus ; Nigeria ; New Bussa ; freshwater environment ; Lysine ; Feeding experiments ; Diets ; Feed composition
    Repository Name: AquaDocs
    Type: conference_item , TRUE
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    The opinion of fishermen and customers (fish buyers) on middlemen of Doro-Baga fish market, Borno State (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23518 | 19325 | 2018-05-08 15:48:25 | 23518 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study examined the opinion of fishermen and fish buyers on middlemen of Doro Baga fish market. 240 respondents were used as samples with the aid of structured questionnaire, using stratified random sampling technique. Descriptive statistics was used to analyze the data obtained. The study revealed that majority of the fishermen (75%) highly depend on these selling brokers to sell their fish for them because their financial support comes from the selling brokers, moreover they do not have a stand in the market. Among the fish buyers, especially those that buy directly for consumption, see the brokers as people that create confusion during transaction. But 55% of the fish buyers believed that brokers keep the business flowing through their support of the fishermen. While the major problem of the fishermen with the selling brokers is getting the loan from the brokers especially when the fisherman is new in the area or business and on the other side, brokers only give the fish buyers grace of two to three days when they don’t have money, after that the broker would sell the fish to another buyer. These problems can be solved when a strong relationship is established between the fishermen, selling brokers, and fish buyers, or when the government intervenes by giving loans to the fishermen.
    Description: Includes:- 3 figs.;3 refs.
    Keywords: Fisheries ; Management ; Nigeria ; Doro ; Middlemen ; freshwater environment ; Fishermen ; Marketing ; Market research ; Pricing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 613-618
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    Gender and fisheries of Lake Kainji, Nigeria: a review (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23515 | 19325 | 2018-05-08 15:42:14 | 23515 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper examined gender and fisheries of Lake Kainji, Nigeria. The study highlights socio economic characteristics of women involved in Kainji Lake fisheries, important issues about gender and fisheries. It reveals that the categories of women in the Kainji Lake fisheries are in the middle age of 31 to 40 years with very low educational background. It also indicates that fish processing has been the most prominent activity of women in fisheries of Lake Kainji and constitute about 60 percent of the women. The study concludes that women play significant roles in all aspects of fisheries in Lake Kainji. Importantly, women’s roles span reproduction and production.
    Description: Includes:- 1 table;! fig.;13 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Women ; Fisheries ; Processing fishery products
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 590-595
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    Length-weight relationship and condition factor of two Hydrocynus species in Lake Kainji, Nigeria (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23520 | 19325 | 2018-05-08 15:51:20 | 23520 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: In the study and understanding of fish biology, characterization and morphology, the length-weight relationship is of great importance. The genus Hydrocynus, is of high economic importance to the fisheries of Lake Kainji. This study investigated their length-weight relationship to establish the growth pattern of species within this genus. The ‘b’ values of the length-weight relationship for these species are less than 3. There was negative allometric growth (b〈3) for all samples of the Hydrocynus species. The correlation coefficients (r) are 0.9713 and 0.9888, for Hydrocynus forskali and H.brevis respectively. Condition factors ranged from 1.313 for H. forskali to 1.431 for H. brevis.
    Description: Includes:- 2tables.;2 figs.;27 refs.
    Keywords: Ecology ; Fisheries ; Hydrocynus forskalii ; Hydrocynus brevis ; Nigeria ; Kainji L. ; freshwater environment ; Length-weight relationships ; Condition factor
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 625-632
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    Challenges to meeting best procedure in quarantine services delivery (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23536 | 19325 | 2018-05-10 10:07:34 | 23536 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper defined quarantine as the totality of measures taken by every country to prevent the entry of foreign exotic pest, pathogens and diseases of plant, animals and aquatic resources through international boundries. Also discussed is the international regulatory framework on quality control and quarantine of agricultural products. The advantages and socioeconomics impact of quarantine are discussed. The paper further examined the best practice procedure in quarantine service delivery in the aquatic resources and products right from production, processing, marketing and condition for exporting of aquatic (Live fish) from Nigeria, In conclusion the paper enumerated the challenges in meeting best practice procedures in quarantine service delivery
    Description: Paper delivered at the Agricultural Quarantine Services (NAQS) Paramilitary Training for Officers and Men, Jaji, Kaduna, 15-29 ?, 2009 Presented at FISON EKO 2010: Other materials. Pagination on document pp. 1-18
    Keywords: Fisheries ; Health ; Nigeria ; Quarantine ; freshwater environment ; marine environment ; Quarantine regulations ; Legislation ; Safety regulations
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 35-52
    Format: 18
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    Effects of ice storage on the biochemical composition of Macrobrachium vollenhovenii (Herklots, 1857) (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23530 | 19325 | 2018-05-09 12:53:10 | 23530 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Changes in biochemical properties of freshwater prawn stored with two ice conditions Without Direct Contact with Ice (DCI) and Without Direct Contact with Ice (WCI) for day 0, 2, 4, 6, 8 and 10 were investigated. Proximate composition defined in terms of moisture increased for the DCI as storage days increases but relatively constant with treatments with WCI. Values of TVB-N (mgN/100g) in prawn stored with DCI had inverse relationship with storage days but increased with storage days in the WCI. Changes in the values of ash and crude protein were relatively constant as the storage days increased in both treatments. Ice treatments recorded little changes in between storage days for fats. Values of NPN mgN/100g decreased with days of storage with DCI but increased as the storage increased with WCI. These results obtained in this study showed that ice storage may have contrasting values and importance on the biochemical properties of the freshwater prawn.
    Description: Includes:- 2tables.;16 refs.
    Keywords: Fisheries ; Macrobrachium vollenhovenii ; Nigeria ; Badagry Lagoon ; freshwater environment ; Storage ; Storage effects ; Biochemical composition ; Storage life
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 698-703
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    Fisheries training in Nigeria's tertiary institutions - curriculum, staffing, equipment and other facilities: a critique of NUC’S minimum benchmark academic standards (MBAS) document (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23532 | 19325 | 2018-05-10 09:37:28 | 23532 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper is a review of the curriculum, staffing, equipment, field and laboratory requirements prescribed by the National Universities Commission (NUC) for training of Fisheries graduates. This is made as these are guidelines against which Fisheries programmes, now being proliferated in many Nigerian tertiary institutions, can be evaluated for possible accreditation. The critique shows that some courses are highly under-weighted e.g. “Aquatic Flora and fauna” as a 2 credit unit. There is a high degree of overlap between courses. Some are not clearly and sharply delineated, defined or described. Staff needs are not defined or described. Staff needs are not defined in terms of core course areas of specialization. Limnology & Oceanography have their descriptions restricted to physico ? chemical features and not viewed in the desired comparative perspective. Suggestions are made on a wider listing of equipment, field laboratory, and library need to sharpen the NUC guideline. A review committee is recommended.
    Description: FISON EKO 2010: Invited Paper. Pagination on document pp. 1-23 Includes:- 17 refs.
    Keywords: Education ; Fisheries ; Information Management ; Nigeria ; brackishwater environment ; freshwater environment ; marine environment ; Education ; Curricula ; Training ; Fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 91-113
    Format: 23
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    Legal tools for combating piracy in Nigerian waters (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23535 | 19325 | 2018-05-10 09:53:19 | 23535 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The paper traced the evolution of piracy and pointed out that the fishing industry in Nigeria alone has recorded over 15 deaths and loss of vessels, equipments, fish/fishery products valued over N3 billion to these attacks between 2006 and April 2009. The paper further highlighted that between February 2009 and April 2010 the fishing industry has recorded about 80 attacks. These have affected the fishing industry which operated over 250 registered trawlers in 2003/2004 which has now been reduced to 150 trawlers. To ameliorate this problem the paper highlighted steps taken in dealing with the menace of piracy. The paper concluded that good laws are a necessary pre-condition for the achievement of maritime security. However, they will only be effective if there is the political will and the practical capacity among the government, relevant agencies and stakeholders.
    Description: FISON EKO 2010: Invited paper presented by N. Ahmed. Pagination on document pp. 1-13. First presented by M. Orakwusi at the 2nd Western Naval Command Law Seminar, 7 Oct 2010
    Keywords: Fisheries ; Law ; ASE ; Nigeria Coast ; Priracy ; marine environment ; Illegal fishing ; Fishery protection ; Fishing rights
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 21-34
    Format: 13
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    Regional survey of pesticide residues in fish and fish products: Philippines (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26301 | 23782 | 2019-03-27 05:53:49 | 26301 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Keywords: Aquaculture ; Chemistry ; Fisheries ; Philippines ; Pesticides ; Cultured organisms ; Biological sampling ; Fish ; Fishery products ; Quality assurance ; Biochemical analysis ; Lethal limits
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 84-89
    Format: 6
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    Regional survey of histamine in fish and fish products: Vietnam (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26312 | 23782 | 2019-04-02 01:39:27 | 26312 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Keywords: Fisheries ; Viet Nam ; Histamines ; Fish ; Fishery products ; Biological sampling ; Quality control
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 143-145
    Format: 3
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    Analysis of oils: Extraction of lipids (modified Folch's Method) (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26829 | 23782 | 2019-11-19 01:08:33 | 26829 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in lipid extraction from fish using the Modified Folch's Method. Instructions on sample preparation, and the apparatus and reagents needed are presented. Detailed procedures in lipid extraction are provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fish inspection ; Fishery industry ; Food technology ; Standards ; Specifications ; Lipids
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: C-2.1-C-2.2
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    Analysis of oils: Determination of free fatty acid (FFA) (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26832 | 23782 | 2019-11-19 00:56:39 | 26832 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in determination of free fatty acids (FFA) in fish.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Food technology ; Standards ; Specifications ; Fatty acids
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
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    Analysis of oils: Preparation of methyl esters by Boron Trifluoride Method (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26838 | 23782 | 2019-11-19 00:36:53 | 26838 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in the preparation of methyl esters by boron trifluoride method in fish. Instructions on sample preparation and the apparatus and reagents needed are presented. Detailed procedures are also provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Food technology ; Standards ; Specifications ; Fish oils ; Fats ; Fatty acids ; Esters ; Lipids
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: C-11.1-C-11.2
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    Analysis of oils: Determination of thiobarbituric acid (TBA) number (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26835 | 23782 | 2019-11-19 00:46:29 | 26835 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in the determination of thiobarbituric acid (TBA) number in fish fat. The apparatus and reagents needed are presented. Detailed procedures and calculations are also presented.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Food technology ; Standards ; Specifications ; Fish oils ; Fats ; Fatty acids
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: C-8.1-C-8.3
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    Analysis of oils: Determination of the degree of lipid oxidation by gas chromatography (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26837 | 23782 | 2019-11-19 00:39:35 | 26837 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in the determination of the degree of lipid oxidation by gas chromatography. Instructions on sample preparation and the detailed procedures and calculation are provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Food technology ; Standards ; Specifications ; Lipids ; Fats ; Fatty acids ; Oxidation ; Chromatographic techniques
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: C-10.1
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    Analysis of additives: Determination of monosodium L-glutamate (MSG) content in fish jelly products (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26840 | 23782 | 2019-11-15 07:59:29 | 26840 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in lipid determination of monosodium L-glutamate (MSG) content in fish jelly products. Instructions on sample preparation and the reagents needed are presented. Detailed procedures calculation are also provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Additives ; Food additives ; Food
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
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    Analysis of additives: Determination of sugar (sucrose) by Somogyi's Method (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26841 | 23782 | 2019-11-15 07:56:22 | 26841 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The paper provides the methodology in the determination of sugar (sucrose) in fish product by Somogyi's method. Instructions for sample preparation and the reagents needed are presented. Detailed procedures in the determination of the sugar in a sample are provided.
    Keywords: Chemistry ; Fisheries ; Fishery industry ; Food technology ; Standards ; Specifications ; Saccharides ; Products
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: D-3.1-D-3.4
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    Microbiological procedure: Aerobic plate count (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26846 | 23782 | 2019-11-15 07:46:46 | 26846 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The aerobic plate count provides an estimate of the number of viable microorganisms in the food according to the medium used and the time and temperature incubation. Presented in the paper is the aerobic plate count procedure using the spread plate method. The culture media, apparatus, sample preparation, and the detailed procedures and the calculation of aerobic plate count are also provided in the paper.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms
    Repository Name: AquaDocs
    Type: book_section
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    Format: application/pdf
    Format: E-2.1-E-2.3
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    Microbiological procedure: Handling of food samples (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26845 | 23782 | 2019-11-15 07:48:51 | 26845 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Proper handling of samples is presented in the paper. Specifically, the procedures in the proper collection, transport, and storage of samples are presented. Moreover, the procedures of monitoring of the condition of samples in a container, and thawing of frozen samples are also provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Fish handling ; Samples ; Sample contamination ; Sample storage
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
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    Present status of fish processing activities in Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26858 | 23782 | 2019-11-05 05:19:43 | 26858 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: An account is given of the fish processing industry of Malaysia; products consist of dried fish, fish crackers, shrimp past, fermented fish, fish satay, canned tuna/sardine, frozen prawn/fish/squid, and fish meal. Problems faced by the industry and the role of government, statutory boards and other institutions in upgrading the industry are examined.
    Keywords: Fisheries ; Fishery development ; Food technology ; Fishery industry ; Processing fishery products ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 14-16
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    Analysis of additives: Semi-quantitative analysis of boric acid and borates in meat and meat products (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26844 | 23782 | 2019-11-15 07:51:20 | 26844 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Boric acid and borates were commonly used as preservatives. It acts as an antimicrobial agent; however it is not permitted in the fishery products. The paper provides the methodology in the determination of boric acid and borates in fishery products. Instruction for sample preparation and the reagents needed are presented. Detailed procedures in the determination of boric acid and borates in a sample are provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Additives ; Food additives ; Borate minerals
    Repository Name: AquaDocs
    Type: book_section
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    Format: application/pdf
    Format: D-6.1-D-6.2
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    Microbiological procedure: Staphylococcus aureus (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26849 | 23782 | 2019-11-15 07:41:06 | 26849 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Staphylococcus aureus is a common organism on the skin and in the nasal passages of approximately 50% of the population. Heat-treated seafood may become contaminated with this organism by poor handling, then storage at improper temperatures allows the organism to multiply and produce its toxin. This type of food poisoning may be avoided by practicing strict personal hygiene, thorough cleaning and disinfection of equipment, and storage of susceptible food at temperatures below 10°C or above 60°C. Presented in the paper is the methodology of determining S. aureus in fish and fishery products.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms ; Pathogenic bacteria ; Pathogens ; Health and safety ; Public health ; Microbial contamination ; Staphylococcus aureus
    Repository Name: AquaDocs
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    Problems of post-harvest technology in Southeast Asia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26857 | 23782 | 2019-11-05 05:20:59 | 26857 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Improvement of post-harvest technology in Southeast Asian countries and the various problems involved are discussed, considering the following topics: fresh fish handling; traditional products; fish products for export; utilization of available resources for direct human consumption; and, the role of post-harvest technologies.
    Keywords: Fisheries ; Fish handling ; Food technology ; Quality control ; Fishery products ; South East Asia
    Repository Name: AquaDocs
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  • 70
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    Proceedings of the Twentieth Anniversary Seminar on Development of Fish Products in Southeast Asia, Singapore, 27 - 31 October, 1987 (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26853 | 23782 | 2019-11-05 05:24:40 | 26853 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Abstracts of the various country reports, resource papers and case histories presented at the Seminar are cited individually.
    Keywords: Fisheries ; Food technology ; Fishery products ; Fishery industry ; Fishery technology ; Conferences ; Minced products ; Fermented products ; South East Asia
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 116
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  • 71
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    Development of fish products in Indonesia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26856 | 23782 | 2019-11-05 05:22:21 | 26856 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Details are given of the various processing methods used for fish landed in Indonesia. Data for the period 1983-85 indicate curing to be the most popular method, in particular dry salted and boiled fish. Problems involved in the production of cured products and also frozen and canned products are discussed and the development of new products examined briefly.
    Keywords: Fisheries ; Food technology ; Product development ; Cured products ; Indonesia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 11-13
    Format: 3
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  • 72
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    Microbiological procedure: Coliforms and Escherichia coli (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26848 | 23782 | 2019-11-15 07:45:03 | 26848 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Coliforms are Gram-negative, non-sporing, facultatively anaerobic rods which ferment lactose, producing acid and gas within 48 hrs and they belong to the family Enterobacteriaceae. Presented in the paper is the methodology of examining the presence of coliforms and E. coli for fish and fishery products.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms ; Microbial contamination ; Microbiology ; Pathogens ; Escherichia coli
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: E-3.1-E-3.4
    Format: 4
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  • 73
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    Microbiological procedure: Faecal streptococci (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26850 | 23782 | 2019-11-15 07:39:11 | 26850 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Streptococci are gram-positive cocci, sometimes coccobacilli, arranged in chains. This group of streptococci resides in the intestine of warm-blooded animals. They are bile resistant and capable of growth at 45°C. Fecal streptococci form part of the microflora of many foods without necessarily indicating poor hygiene. They are found in many fermented foods, such as cheese and raw sausage, and often take part in the fermentation process. However, in meat products which have received a severe heat process, the presence of excess numbers of fecal streptococci indicates unhygienic handling and/or faulty storage. Presented in the paper is the methodology of determining the presence of fecal streptococci in fish and fishery products.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms ; Pathogenic bacteria ; Pathogens ; Health and safety ; Public health ; Microbial contamination
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: E-6.1-E-6.3
    Format: 3
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  • 74
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    Microbiological procedure: Salmonellae & Shigella (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26847 | 23782 | 2019-11-15 07:43:06 | 26847 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Salmonella is a gram-negative bacterium of the family Enterobacteriaceae. Salmonella lives in animal and human intestines and is shed through feces, which usually infects humans through contaminated water or food. The paper presents the methodology of determining the presence of Salmonella and Shigella in fish and fishery products.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms ; Pathogenic bacteria ; Pathogens ; Health and safety ; Public health ; Microbial contamination ; Salmonella
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: E-4.1-E-4.5
    Format: 5
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  • 75
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    The fish processing industry in the Philippines: Status, problems and prospects (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26859 | 23782 | 2019-11-05 05:18:11 | 26859 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: An account is given of the fish processing industry of the Philippines. The various existing post-harvest technologies are described, considering fresh fish handling practices, fish processing technologies, new fish processing methods, and other fishery products and by-products. Problems facing the industry and government programs and projects to help development in the sector are discussed briefly.
    Keywords: Fisheries ; Fishery development ; Food technology ; Fishery industry ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 17-27
    Format: 11
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  • 76
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    Fish processing in Singapore (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26860 | 23782 | 2019-11-05 05:15:57 | 26860 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: An account is given of the fish processing industry in Singapore, which produces 4 major groups of fish products, namely frozen fish products, fish jelly products, snack food and seafood delicacies. Problems faced by the industry are examined briefly and government bodies regulating the sector are indicated.
    Keywords: Fisheries ; Fishery development ; Food technology ; Fishery industry ; Processing fishery products ; Singapore
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 28-31
    Format: 4
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  • 77
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    Improvement in fisheries post-harvest technology in Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26861 | 23782 | 2019-11-05 03:32:57 | 26861 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Following a brief account of the fishery industry of Thailand, describing the fishery resources and the utilization of the fish landed, details are given of the fish processing sector. Cold storage and freezing facilities, canneries, processing of traditional products and pre-processing, and fishmeal plants are described. The export of fishery products is also discussed, considering the tuna, cephalopod, shrimp, canned shrimp, canned crabmeat and clam and dried fish. Problems facing the industry include shortage of raw material, quality of fish and fishery products, technology and rejection of Thai fish exports. The role of the government in upgrading the industry and future development prospects are examined briefly.
    Keywords: Fisheries ; Fishery development ; Trade ; Fishery industry ; Processing fishery products ; Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 32-46
    Format: 15
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  • 78
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    Overview of current fish consumption and fish processing in Southeast Asia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26862 | 23782 | 2019-11-05 03:30:34 | 26862 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Following a brief account of the food fish supply in the Southeast Asian region, details are given of per capita fish consumption in the following countries: Brunei, Indonesia, Malaysia, Philippines, Singapore and Thailand. The disposition of the marine fish landed and fish quality improvement are also discussed.
    Keywords: Fisheries ; Fish consumption ; Quality control ; South East Asia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 59-61
    Format: 3
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  • 79
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    General introduction to marine processed products in Japan (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26864 | 23782 | 2019-11-05 03:26:43 | 26864 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The marine fishery catch for Japan in 1984 was over 12 million tonnes; the sardine catch was high, although Alaska pollack showed a decrease. A brief account is given of imports and export, both worldwide and for Japan, examining also factors affecting changes in the Japanese markets for fish and fish products.
    Keywords: Fisheries ; Trade ; Industrial products statistics ; Processed fishery products ; Market research ; Japan
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 63
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  • 80
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    Cryoprotective effects of chemicals on proteins of fish muscle (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26865 | 23782 | 2019-11-05 03:25:17 | 26865 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: A review is made of studies conducted on cryoprotectants for use in the frozen storage of processed fishery products, such as surimi. Some 150 compounds were screened for cryoprotective effects on fish actomyosin; the findings of experiments investigating the behaviour of carp actomyosin, and fish myosin, actin and other constituent proteins during frozen storage are described. The mechanism of freeze denaturation and of the effects of cryoprotectants is outlined and the application of cryoprotectants in the development of new fish gel products considered.
    Keywords: Chemistry ; Fisheries ; Food technology ; Product development ; Freezing storage
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 64-67
    Format: 4
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  • 81
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    Utilization and post-harvest technology of sardine, in relation to nutrition and health (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26863 | 23782 | 2019-11-05 03:28:23 | 26863 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Fish consumption in Japan is very high compared with other countries; it is approximately 96 g daily per capita and provides a good balance of protein, fats and oils, and carbohydrates. The largest component of the fish catch in Japan is sardine; attempts are being made to produce new products, other than the traditional forms, such as surumi. In fatty sardine fish, the characteristic components include polyunsaturated fatty acids which lower the blood cholesterol levels; in particular eicosapentaenoic acid lowers the incidence of adult diseases such as myocardial infarction.
    Keywords: Fisheries ; Food fish ; Public health ; Japan ; Sardinella
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 62
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  • 82
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    A case history of fish jelly product development in Sarawak, Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26866 | 23782 | 2019-11-05 03:20:33 | 26866 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The development of fish jelly processing in Sarawak, Malaysia, a technique first introduced in 1984, is discussed. Socio-economic factors affecting the development of the industry are examined, considering attitudes, preference, and standard of living. The importance of technology transfer in the region as a means of further developing the fish jelly processing industry is stressed.
    Keywords: Fisheries ; Food technology ; Product development ; Sarawak ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 75-77
    Format: 3
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  • 83
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    Effect of trading time on the quality of fish traded at Navotas Fishing Port Complex (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26870 | 23782 | 2019-11-05 03:11:15 | 26870 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The Navotas Fishing Port Complex in Manila Bay, Philippines and its harbour and market operations are described in detail. The findings are presented of an assessment study conducted regarding the fish quality in the trading halls; quality was found to improve with night-time trading as opposed to day-time trading.
    Keywords: Fisheries ; Trade ; Marketing ; Quality control ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 91-94
    Format: 4
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  • 84
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    Microbiology in quality control: Cockle depuration in Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26871 | 23782 | 2019-11-05 03:05:49 | 26871 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Development of the cockle industry in Malaysia is discussed, with respect to problems regarding quality control. Activities conducted concerning the establishment of depuration plants to purify the cockles prior to sale are outlined, considering also bacteriological testing to show purification to acceptable limits.
    Keywords: Fisheries ; Self purification ; Seafood ; Quality control ; Cardiidae ; Malaysia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 95-96
    Format: 2
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  • 85
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    Satay fish and other traditional fish products development in Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26869 | 23782 | 2019-11-05 03:14:28 | 26869 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Development activities in the traditional fish processing industry in Malaysia during the past two decades are outlined. Satay fish, keropok, dried/salted fish, and belacan products are detailed.
    Keywords: Fisheries ; Dried products ; Food technology ; Processed fishery products ; Product development ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 87-90
    Format: 4
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  • 86
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    Utilization of trawl by-catch for the development of surimi and surimi-based products (1979-1987) (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26867 | 23782 | 2019-11-05 03:18:36 | 26867 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Details are given of research activities conducted by the Marine Fisheries Research Department of Singapore regarding the use of small demersal fish (trawling by-catch) for the production of comminuted products. The production of frozen surimi and fish jelly products are described and technology transfer activities by the Department to the fish processing industry also outlined.
    Keywords: Fisheries ; Minced products ; Food technology ; Product development ; Singapore
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 78-80
    Format: 3
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  • 87
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    Inventory of fish products in Southeast Asia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26873 | 23782 | 2019-11-05 03:07:22 | 26873 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The findings are presented of a questionnaire conducted in Southeast Asia regarding fish products available, their quality and constraints to their marketing and promotion. Most quality problems were concentrated in the category of traditional products -- particularly smoked, dried and fermented items. The application of such information is identifying available products and highlighting and overcoming certain problems is considered briefly.
    Keywords: Fisheries ; Quality control ; Processed fishery products ; Market research ; South East Asia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 99
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  • 88
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    Development of minced fish industry in Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26868 | 23782 | 2019-11-05 03:16:59 | 26868 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Development in minced fish technology in Thailand has involved the improvement of machinery to replace manpower, the development of new processing techniques and the improved utilization of underutilized species. Socio-economic factors are examined, considering the increase in price of raw material, an increase in employment and consumer benefits. Technology transfer is also outlined.
    Keywords: Fisheries ; Minced products ; Food technology ; Product development ; Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 81-86
    Format: 6
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  • 89
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    Shellfish in Indonesia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26877 | 23782 | 2019-11-05 02:57:47 | 26877 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: An account is given of present shellfish production in Indonesia, indicating the species involved, collection methods, production and value, and utilization.
    Keywords: Fisheries ; Shellfish ; Fishery industry ; Indonesia
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 28-32
    Format: 5
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  • 90
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    Occurrences of red tide in Brunei Darussalam and methods of monitoring and surveillance (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26875 | 23782 | 2019-11-05 03:03:18 | 26875 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Details are given of red tides which occurred in Brunei Darussalam, 1976 and 1980. Methods of monitoring are described which included plankton sampling, aerial surveillance and toxicity tests.
    Keywords: Fisheries ; Health ; Toxicity tests ; Food poisoning ; Red tides ; Public health ; Dangerous organisms ; Brunei Darussalam
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 17-24
    Format: 8
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  • 91
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    Fermented fish products in Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26872 | 23782 | 2019-11-05 03:09:43 | 26872 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Details are given of fermentation processes involved in the production of fermented fish in Thailand, considering in particular conditions to speed up the process and also examining factors which play an important role in determining the aroma, flavor and color of the finished product. The quality of the fermented product depends on the species and quality of the fish used and also the techniques used; good quality products result if the proportion of salt to fish is 1:2 and the temperature for incubation 25-30°C.
    Keywords: Fisheries ; Fermented products ; Food technology ; Quality control ; Thailand
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 97-98
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  • 92
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    Toxic red tides and shellfish toxicity in Southeast Asia: Proceedings of a consultative meeting held in Singapore 11-14 September 1984 (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26874 | 23782 | 2019-11-05 02:41:48 | 26874 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The occurrence of toxic red tides and paralytic shellfish poisoning (PSP) have become more frequent in Southeast Asian waters in recent years. A consultative meeting was organized by the Southeast Asian Fisheries Development Center (SEAFDEC) and the International Development Research Centre (IDRC) of Canada on 11-14 September 1984 to review the status of shellfish toxicity in Southeast Asia and discuss ways and means for its improved study and control. It was attended by 28 officials and researchers from Brunei Darussalam, Canada, Indonesia, Japan, Malaysia, Philippines, Singapore, and Thailand, including participants from the International Center for Living Aquatic Resource Management, IDRC and SEAFDEC. This volume resulted from the meeting and provides, for the first time, a review of past problems and current research on the subject. It includes edited papers, recommendations and conclusions of the meeting. The papers describe the background related to PSP and red tide in the region as well as the measures taken to protect consumers. Also included are resource papers outlining conditions in Canada and Japan and the protective measures which have been adopted by the two countries.
    Keywords: Fisheries ; Health ; Conferences ; Fish poisoning ; Red tides ; Shellfish ; Dangerous organisms ; South East Asia
    Repository Name: AquaDocs
    Type: book
    Format: application/pdf
    Format: application/pdf
    Format: 133
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  • 93
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    Distribution of dinoflagellates at Jakarta Bay, Taman Jaya, Banten, and Benoa Bay, Bali: A report of an incident of fish poisoning at eastern Nusa Tenggara (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26876 | 23782 | 2019-11-05 03:00:12 | 26876 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: A description is given of an incident of fish poisoning in East Nusa Tenggana in November 1983, which resulted from a red tide. Sampling studies were made to investigate the distribution of dinoflagellates in Jakarta Bay, Taman Jaya, Banten, and Benoa Bay, Bali. Four genera were observed: Noctiluca, Ceratium, Dinophysis and Peridinium.
    Keywords: Fisheries ; Health ; Fish kill ; Red tides ; Public health ; Dangerous organisms ; Indonesia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 25-27
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  • 94
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    Status of shellfish toxicity and related problems in Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26878 | 23782 | 2019-11-05 02:56:01 | 26878 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: A brief review is made of the current status regarding shellfish toxicity and red tide occurrence in Malaysia.
    Keywords: Fisheries ; Health ; Toxicity ; Shellfish ; Red tides ; Public health ; Dangerous organisms ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 33-34
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  • 95
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    Lethal effect of paralytic shellfish poison (PSP) from Perna viridis, with notes on the distribution of Pyrodinium bahamense var. compressa during a red tide in the Philippines (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26880 | 23782 | 2019-11-05 02:52:29 | 26880 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: A study was conducted to determine the potency of the dinoflagellate toxin accumulated in green mussels, Perna viridis, in the Philippines. The results are also presented of a plankton survey undertaken in order to study the distribution and abundance of the red tide causing alga, Pyrodinium bahamense var. compressa.
    Keywords: Fisheries ; Health ; Biological poisons ; Shellfish ; Toxicity tests ; Red tides ; Bioaccumulation ; Public health ; Dangerous organisms ; Philippines ; Perna viridis
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 43-51
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  • 96
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    Shellfish poisoning in association with the occurrence of potentially toxic dinoflagellates in the Gulf of Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26884 | 23782 | 2019-11-05 02:26:02 | 26884 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: A study was conducted to detect the causative organisms of paralytic shellfish poisoning in Thailand waters and to observe the occurrence of the toxic bloom and red tides in the toxic shellfish beds.
    Keywords: Fisheries ; Health ; Public health ; Red tides ; Shellfish ; Dangerous organisms ; Medicine ; Gulf of Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 87-89
    Format: 3
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    Detoxification of Pyrodinium-generated paralytic shellfish poisoning toxin in Perna viridis from Western Samar, Philippines (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26882 | 23782 | 2019-11-05 02:34:08 | 26882 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: The results are presented of procedures for the detoxification of paralytic shellfish poisoning toxin using ozone, chlorine and PVP-iodine. Findings indicate ozone and PVP-iodine to effectively inactivate the toxins isolated from Perna viridis; however, further investigations are recommended.
    Keywords: Fisheries ; Health ; Biological poisons ; Red tides ; Public health ; Philippines ; Pyrodinium ; Perna viridis
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 80-85
    Format: 6
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  • 98
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    Indo-Pacific toxic red-tide occurrences, 1972-1984 (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26886 | 23782 | 2019-11-05 02:20:40 | 26886 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: A brief review is made of the incidences of red tides and paralytic shellfish poisoning in the Indo-Pacific region during the period 1972-84, indicating the organisms involved in the toxicity.
    Keywords: Fisheries ; Health ; Biological poisons ; Public health ; Red tides ; Shellfish ; Dangerous organisms ; Indo Pacific Ocean
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 92-102
    Format: 11
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  • 99
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    Shellfish poisoning in Japanese waters (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26887 | 23782 | 2019-11-05 02:16:53 | 26887 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Under the supervision of the Fisheries Agency, each prefectural government has the responsibility of carrying out monitoring programs. Although some problems exist, monitoring operations have been proceeding successfully. Investigations concerning various aspects of shellfish poisoning are being conducted by 6 national institutions, 15 universities, and about 30 fisheries laboratories. Because shellfish poisoning is a kind of natural phenomenon, the only defense is the establishment of precise monitoring techniques to reduce damages. Efforts to improve monitoring, however, need to be carried out through fundamental research.
    Keywords: Fisheries ; Health ; Monitoring ; Public health ; Red tides ; Shellfish ; Dangerous organisms ; Japan
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 105-109
    Format: 5
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  • 100
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    A summary of paralytic shellfish poisoning in Canada (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26888 | 23782 | 2019-11-05 02:16:11 | 26888 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2021-07-24
    Description: Paralytic shellfish poisoning occurs along both the east and west coasts of Canada. Since 1973 there have been more than 300 documented cases of paralytic shellfish poisoning, resulting in about 35 deaths. Causative dinoflagellates include Gonyaulax catenella, G. acatenella and G. excavata. Details are given of shellfish contamination, toxic blooms patterns, toxicity monitoring, impact on shellfish industry and detoxification.
    Keywords: Fisheries ; Health ; Historical account ; Public health ; Red tides ; Shellfish ; Dangerous organisms ; Canada ; Gonyaulax
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 110-113
    Format: 4
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