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  • 1
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    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23371 | 19325 | 2018-04-10 16:06:58 | 23371 | Fisheries Society of Nigeria
    Publication Date: 2021-07-14
    Description: The variation in size and weight of fry and fingerlings of Clarias gariepinus has been a major factor affecting the success of hatchery production of the species. It encourages cannibalism, thus reducing the overall survival. The disparity in weight and population was assessed to determine the necessity of sorting as a reliable method of controlling size disparity and mortality in hatchery production. Two-week-old fry with average weight of 15mg and length range of 0.8-0.9cm were randomly sampled and stocked at 200 fry/litre in 30 litre circular tanks. The fish were fed for four weeks on 45% crude protein diet, ad libitum. At the end of four weeks, there were three groups; large, medium and small with mean weight of 4.02g, 1.24g and 0.17g, respectively. The cumulative mean weight was 1.8g, population ratio was 1:8:10 for large, medium and small, respectively.
    Description: Includes:- 1 fig.;10 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; freshwater environment ; Fingerlings ; Fry ; Weight ; Survival ; Induced breeding
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 16-18
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  • 2
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    FISON | Minna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24078 | 19325 | 2018-05-12 14:08:28 | 24078 | Fisheries Society of Nigeria
    Publication Date: 2021-07-15
    Description: The study was conducted to evaluate and compare the growth performance of catfish fry on fermented maize broth and cassava waste water. Four day old fry (weight range 0.002 - 0.003g) of C. gariepinus were acclimatized in 10 litres glass tank of water for 5 days in Aquaculture Department of Nigerian Institute for Oceanography and Marine Research, Victoria Island, Lagos. Shell free artemia was mixed with Fermented Maize Both (FMB), Fermented Cassava Waste water (FWC) and bore hole water (control) respectively. The artemia mixtures were allowed to air-dry before administration. The treatments were produced in triplicates, feeding, ad-libitium for 30 days. The fry were fed with the treated shell free artemia and weighed every 6 days. The results revealed that fry fed fermented cassava waste water [FCW] diet showed highest mean weight, daily growth rate [DGR], survival rate and specific growth rate [SGR] and lowest food conversion ratio (FCR). This was followed by fermented maize broth while fish fed artemia mixed with borehole water-had the least growth. The results suggest that addition of fermented cassava waste water to shell free artemia can enhance fish growth in catfish hatchery production.
    Description: Includes: 1 table and 1 figure;Also includes: 13 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; Lagos ; Growth performance ; Fermented cassava waste water (FCW) ; Maize broth (FMB) ; freshwater environment ; Feeding experiments ; Fish culture ; Growth rate ; Fish ; Fry ; Feed ; Nutrients (mineral) ; Waste water ; Comparative studies ; Fermentation ; Length-weight relationships
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 79-83
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  • 3
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    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24166 | 19325 | 2018-05-13 18:40:22 | 24166 | Fisheries Society of Nigeria
    Publication Date: 2021-07-15
    Description: Probiotics are a promising feed additive to stimulate animal growth and secure a low disease response in aquaculture industry where there are high stocking densities in shrimp and fish production. Fermented locust beans (Parkia biglobosa) are known to be rich in protein and used as food condiment. Probiotic bacteria were isolated from this locally available food material. Culture and characterizations of isolates were carried out. Sugar fermentation patterns were determined by using an API 50 CHL system and incubation were performed anaerobically at 37~'C. MRS broth culture grown at 37~'C overnight was added to 9ml of MRS Agar and the bacteria were incubated at 37~'C for 24 and 48 hrs. Discrete and single colony of lactobacillus was isolated using colony morphology and biochemical tests. The most significant viable taxa isolated was Lactobacillus fermentum at a pH range of (3.0-8.0), while the least viable taxa isolated was Leuconostoc mesenteroides ssp. Microscopically they were Grampositive, rod shaped, non- motile, catalase negative and absence of Endospore.
    Description: Includes: 2 tables and 2 plates.;Also includes: 15 references.
    Keywords: Aquaculture ; Nigeria ; Lagos ; Locust bean ; Probiotics ; Lactobacillus ; Probiotics ; freshwater environment ; Feed ; Additives ; Aquaculture ; Microorganisms ; Bacteria ; Disease resistance ; Fermented products ; Fish culture ; Shrimp culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 60-63
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  • 4
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    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23399 | 19325 | 2018-04-12 07:23:17 | 23399 | Fisheries Society of Nigeria
    Publication Date: 2021-07-14
    Description: The Atlantic Tarpon, Tarpon (Megalops) atlanticus is a marine fish of high commercial importance with a special fishery in western, central and south-western Atlantic Ocean where it is a very important game fish. The species provides sport fishery especially in the western Atlantic coast of America which has generated millions of dollars in tourism, employment and boat charters. Tarpon fishery in America is highly regulated and there are strict guidelines on capture, bag limits and fishing seasons. Tarpon puts up a spectacular fight when hooked, leaping up to 2-3m above water surface and landing with a smacking splash that can be heard one kilometer away. It is the leaping powers that make tarpon a favourite to anglers. In the coastal waters of south-west Nigeria especially for the natives of the coastal communities of Ondo State, T. atlanticus is a delicacy and of high economic value. Some local fishermen and fish farmers in the area stock Tarpon in their ponds purely for recreational purposes. Some of these tarpon farms were integrated with snack bars and served as tourist centres. Visitors including individuals and educational institutions frequent the fish farm during excursions and pay a stipulated fee per person as entry permit to the farm thereby generating more revenue to the farmer. This paper highlights the importance of Tarpon as a game fish and suggests strategies for development of its culture both as food fish and for ecotourism.
    Description: Includes:- 3 plates.;18 refs.
    Keywords: Fisheries ; Tarpon atlanticus ; ASE ; Nigeria Atlantic Ocean ; marine environment ; Sport fishing ; Recreation ; Tourism
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 130-133
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  • 5
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    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23522 | 19325 | 2018-05-09 12:25:25 | 23522 | Fisheries Society of Nigeria
    Publication Date: 2021-07-14
    Description: Women are the majority of the third World population. They are considered subservient to their male counterpart, even in Europe and America where women have greater basic human right. This paper evaluates the various roles of women in Fisheries and fish processing. Statistics from the European Union shows that, of the various fishing sectors, participation of women (in terms of number) was greatest in fish processing, followed by marine aquaculture, marine fishing and inland aquaculture, with no women involved in inland fishing. In Asia and Africa women are basically involved in fish processing and marketing. In Asia (Thailand and Philippines), women are involved in hatchery operations in aquaculture in addition to fish processing. The finding of the review shows that Fish processing in developing countries, principally Africa is not attracting young literate generation who may have better management competence. It further revealed that, in Nigeria women are directly involved in capture fishery, in addition to fish marketing and processing. This is aimed at empowering women economically to meet the pressing needs of the family. The paper further assesses the problems of women in fisheries and fish processing namely, access to financial resources, education, support services and the need to ensure food security. Possible ways of improving women’s participation in fisheries were highlighted.
    Description: Includes:-1 table.;23 refs.
    Keywords: Fisheries ; Nigeria ; freshwater environment ; Women ; Processing fishery products
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 640-648
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  • 6
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    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24599 | 19325 | 2018-05-21 12:13:12 | 24599 | Fisheries Society of Nigeria
    Publication Date: 2021-07-15
    Description: Lactic and bacteria (LAB) namely Lactobacillus plantarum l and L. pentosus were isolated from the gut of Chrysichthys nigrodigitatus using Bergey's manual of determinative bacteriology (API- 50 CHL, BioMerieux). They are beneficial and safe organisms that improves disturbances of the indigenous microflora and host's immune system. Gut removed from fish samples were dissected and divided into 3 regions: fore gill, mid gut and hind gut. Lactobacillus plantarum l and L. pentosus were isolated from these regions using MRS (de Man, Rogosa and Sharpe) agar and broth after subsequent culture and sub culture to obtain discrete colonies. They were characterized as gram-positive, non-motile, catalase negative and non-sporulating bacteria.
    Description: Includes: 7 references.
    Keywords: Aquaculture ; Chrysichthys nigrodigitatus ; Nigeria ; Probiotics ; Lactic and bacteria ; Chrysichthys nigrodigitatus ; Fish farming ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 131-133
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