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  • 1
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    Proximate composition and mineral content of the African snakehead fish Channa obscura (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23302 | 19325 | 2018-03-30 15:08:46 | 23302 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The proximate composition and mineral content of the African snake head, .Channa obscura from the Niger Delta, Nigeria was investigated with a view to provide nutritional data for dietary planning and baseline data for further research. Mean values for proximate composition were: protein 21.02%, fat 4.38%, moisture 67.82%, ash, 2.28%. The P, K, Na, Ca, Mg, Zn, and Fe contents of the fish samples was 3113.29mg/g, 237.35mg/100g, 332.12mg/100g, 383.25mg/100g, 455.33mg/l00g 0. 76mg/100g and 5.06mg/l00g respectively. Channa obscura thus constitutes a source of high protein, low in fat and source of P, Fe, K and Mg.
    Description: Includes:- 2 tables.;16 refs.
    Keywords: Fisheries ; Channa obscura ; Nigeria ; Port Harcourt ; freshwater environment ; Organic compounds ; Body conditions ; Proteins ; Ash content ; Moisture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 120-123
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  • 2
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    Species of Clarias anguillaris Linnaeus, 1758 in River Galma, Zaria, Northern Nigeria (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23304 | 19325 | 2018-03-30 15:11:33 | 23304 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The study is an icthyological survey of River Galma. the study was carried out to confirm or other wise the finding that there was no species of Clarias anguillaris in the river. The paper morphologically described the different species of Clarias found in the river and concluded that one of the species with gill rakers count ranging from 78 to 103 is clarias anguillaris
    Description: Includes:- 1 table.;6 refs.
    Keywords: Fisheries ; Clarias anguillaris ; Nigeria ; Galma R. ; freshwater environment ; Morphometry ; Taxonomy ; Meristic counts
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 130-132
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  • 3
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    Effect of environmental factors on coastal fisheries (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23305 | 19325 | 2018-03-30 15:13:13 | 23305 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Factors which threaten sustainable commercial fisheries are considered in this paper. Oil and grease, suspended solids, overfishing impact on fishes and fisheries. Whereas overfishing declines adult fish values; the duo of oil and suspended solids clog and disable gills of affected fishes and deplete insolation. And barnacles foul boats.
    Description: Includes:- 1 table.;13 refs.
    Keywords: Fisheries ; Health ; ASE ; Nigeria Coast ; freshwater environment ; Pollution ; Pollution effects ; Oil pollution
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 133-135
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  • 4
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    Evaluation of consumption pattern of fermented fish products by three ethnic groups in Nigeria (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23300 | 19325 | 2018-03-30 15:06:18 | 23300 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The consumption pattern of fermented fish product was conducted to determine the awareness, acceptability and usage with different local spices commonly found in different geographical areas among three ethnic groups in Nigeria. The study was carried out using a well formulated questionnaire as instrument of data collection to Kebbi state for the Hausas, Oyo state for the Yoruba and Anambra for the Igbos. A representative sample size of 600 respondents was selected, Copies of the questionnaire were administered directly through personal visit and interviews. Samples of fermented fish were prepared with soup and served for palatability test. Majority of the people interviewed were between the ages of 20-40 years. About 40% of the respondents were knowledgeable and had attained tertiary education and majority 55.5% were civil servants. About 75% of the respondents have knowledge of fermented fish and have tasted them before while 25% have not known of fermented fish at all. Most of the respondents knew of fermentation of other foods apart fish such as cassava, corn, melon, milk, locust bean etc. Analysis of the data on consumption pattern shows that 67% use fermented fish as condiment, while 18.33% prefer to use it as meal and about 14-15% used it as sauce or soup. A quality attribute exercise shows that fermented fish with or without spice is mostly acceptable among all the ethnic groups.
    Description: Includes:- 3 tables.;9 refs.
    Keywords: Fisheries ; Nigeria ; freshwater environment ; Fermented products ; Acceptability ; Acceptance tests ; Evaluation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 112-117
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  • 5
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    Aspects of the biology of Mugilids in waters around Port Harcourt, Niger Delta, Nigeria (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23303 | 19325 | 2018-03-30 15:10:07 | 23303 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Aspects of the biology (species composition, Length - Weight relationships, condition factor, fecundity, and sex ratio) of Mugilids in waters around Port-Harcourt, Niger Delta were studied. Of the sampled population of Mugilidae, four species of mullet belonging to two genera were identified; Liza grandisquamus (33.55%), L.falcipinus (28.95%), Mugil curema (19.08%) and M. bananensis (18.42%). The mean sizes of all species ranged from 8.1 - 27.5cm total length and 6.10- 170.23g in weight. There was no significant difference P〉0.05 between male and female in all four species in both length and weight. All species exhibited isometric growths while populations of L. grandisquamus and M. bananensis revealed negative allometric and positive functions respectively. There was also no significant variation P〉0.05 in the Fulton condition factors between male and female in all species and among species. The highest absolute fecundity value of 211, 793 eggs was recorded in L. grandisquamus with a body weight of 71.80g and the best predictor of fecundity for all species was ovary weight, while males and females did not depart from a 1 : 1 sex ratio in all species.
    Description: includes:- 20 refs.
    Keywords: Ecology ; Fisheries ; Liza grandisquamus ; Liza falcipinus ; Nigeria ; Port Harcourt ; freshwater environment ; Fishery biology ; Length-weight relationships ; Condition factor ; Fecundity ; Sex ratio
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 124-129
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  • 6
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    Use of screened fish retail table to improve the hygiene of fish sold in local markets (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23301 | 19325 | 2018-03-30 15:07:39 | 23301 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Screened retail table was designed to improve the hygiene of fish sold in our local markets. Investigation was carried out on the microbiological population on Tilapia fish. Overall value obtained from plate counts show that fish were more infested outside the table. The sensory values are 4, 13, and 6 for on-sport open table and screened respectively, also microbial load range between 7x10-5 to 88 x 10-5 cfu/g for open table where 3x 10-10 - 33 x 10-10 for screened table. This shows that fresh fish on open retail table in our markets were prone to deterioration.
    Description: Includes:- 3 tables.;1 refs.
    Keywords: Fisheries ; Health ; Nigeria ; Fresh fish marketing ; freshwater environment ; Deterioration ; Fish spoilage ; Quality control ; Processing fishery products ; Marketing ; Hygiene
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 118-119
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  • 7
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    Effect of feeding Colocasia (Colocasia esculenta (L) Schottl corn flour as a part of energy supplement on growth and nutrient utilization in Clarias gariepinus (Burchell, 1822) fingerlings (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23297 | 19325 | 2018-03-30 15:00:59 | 23297 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The objective of this study was to compare the nutritive value of boiled Colocasia esculenta flour (CECF) with that of yellow maize in practical rations of fingerlings. Boiling resulted in a slight increase in crude protein content and significant (84.5%) decrease in oxalate content. Five is oproteic (30% crude protein) and isocaloric (15.46 Kjg-1) diets were formulated. The control diet contained maize as the principal dietary energy source, while flour produced from boiled Colocasia corn progressively replaced maize at 5 inclusion levels (0%, 20%, 40% 60% and 80%). The experimental diets were fed to triplicate group of Clarias gariepinus fingerlings (mean weight 2.05~c0.5g) at 3% body weight day-1. Growth performance expressed as weight gain, specific grown rate (SGR) and nutrient utilization expressed as feed conversation ration (FCR), protein efficiency ration (PER) were assessed. There was a trend of decrease in weight gain with increase in inclusion level of CECF. Weight gains of groups of C. gariepinus fed up to 60% inclusion level of CECF were nog significantly (p〉0.05) different from the group fed the control diet, the same trend was observed for SGR. FCR and other parameters were poorer (p〈0.05) in digestibility coefficients among the different groups, also that carcass composition did not vary significantly (p〈0.5) among treatments. Results also indicate that CECF is an acceptable ingredient that can replace maize up to 20% inclusion in C. gariepinus rations.
    Description: Includes:- 4 tables.;13 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; freshwater environment ; Feeding experiments ; Nutritional requirements ; Nutrition ; Fish culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 88-93
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  • 8
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    Length-weight relationship and condition factor of Clarias anguillaris from the wild and cultured in Nigeria (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23306 | 19325 | 2018-03-30 15:14:35 | 23306 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The correlation coefficient (R2) for Jos (cultured, Clarias anguillaris was 0.8367 while the coefficient of b was 3.1046. The correlation coefficient (R2) for Jos (wild) showed 0.7785 while the coefficient b was 3.4779. The correlation coefficient (R2) for Yola (wild) revealed 0.8637 and the coefficient of b was 2.4785. The results showed that there was correlation of length and weight in all the samples though Jos (cultured and wild) had positive allometric growth while Yola (wild) had negative allometric growth.
    Description: Includes:- 1 table.;1 fig.;9 refs.
    Keywords: Aquaculture ; Ecology ; Fisheries ; Clarias anguillaris ; Nigeria ; freshwater environment ; Length-weight relationships ; Condition factor
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 136-139
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  • 9
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    Yields of Protopterus annectens (Owen) from River Rima and Goronyo Dam, Sokoto State (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23293 | 19325 | 2018-03-30 14:52:29 | 23293 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Ninety five (95) specimena of P. Annectens (Owen) were caught from Goronyo Dam (26) and River Rima (69). The result revealed flesh yield of 44.29~c2.52 in August to 49.46~c to 5.68 in October which was not significant in samples from River Rima. The flesh yield from samples in Goronyo Dam ranged from 46-95~c2.43 in June to 54.28~c3.36 in September indicating significant difference between the months. The waste yield also varied significantly in samples from Goronyo Dam 45.72~c3.36 in September to 53.05~c 2.43 in June. However the results indicated non-significance (P〉0.05) difference in samples from River Rima with a range of 50.54~c6.68 in October to 55.71~c2.55 in August. Similarly the flesh yields were found to be higher during the dry season than in the rainy season. The sample specimens were found to contain enough flesh thereby creating potentialities to caning industries.
    Description: Includes:- 10 refs.
    Keywords: Ecology ; Fisheries ; Protopterus annectens ; Nigeria ; Rima R. ; Nigeria ; Goronyo Dam ; freshwater environment ; Yield ; Yield predictions ; Population dynamics
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 67-70
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  • 10
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    Effect of smoking and oven drying on the proximate composition and sensory qualities of salted and saltless Clarias gariepinus (2021)
    Fisheries Society of Nigeria | Zaria (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23294 | 19325 | 2018-03-30 14:53:41 | 23294 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Salted and saltless Clarias gariepinus were smoked and oven dried. Their proximate composition and sensory qualities were assessed using standard methods. The salted oven dried fish has mean values of 65.00% (crude protein); 21.90% (fat); 6.40% (moisture); and 0.79% crude fibre while the saltless had lower mean values of 64.50% (protein); 20.95% (fat);5.68% (moisture) and0.40% crude fibre. The ash content of the saltless oven dried fish 7.34% was higher than the salted 6.46%. The salted smoke dried fish has 64.07% crude protein; 20.74% (fat), 6.51 % moisture; 8.54% ash and 0.53% crude fibre. Thus, the oven dried samples have higher protein and fat values than the smoke dried samples. The salted samples have higher values of these nutrients than the saltless ones. Salting perhaps increases the availability of nutrients in smoked and oven dried Clarias gariepinus. Sensorily, there was no significant difference (P〉O.05) in taste, texture and overall acceptability of salted and unsalted smoked and oven dried Clarias gariepinus. A significant difference existed in their colour and Flavour. The colour of the saltless smoked dried fish was most acceptable. While the flavour of the 5% salted smoked dried fish was preferred. The salted oven dried fish had the highest overall acceptability score
    Description: Includes:- 2 tables.;11 refs.
    Keywords: Fisheries ; Clarias gariepinus ; Nigeria ; freshwater environment ; Cured products ; Nutritive value ; Proteins ; Body conditions ; Moisture ; Organoleptic properties
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 71-74
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