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  • 1
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    Culture trial of (Peneaus) Penaeus monodon in concrete tank (2021)
    Fisheries Society of Nigeria | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23527 | 19325 | 2018-05-09 12:48:12 | 23527 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Culture trial of the Tiger Shrimp (Peneaus monodon) was carried out in one of the grow-out concrete tanks at Nigerian Institute for Oceanography and Marine Research, Victoria Island, Lagos. A total of 264 post larvae of P. monodon (PL 30) produced at the Institute’s shrimp hatchery complex were used for the experiment which lasted for 157 days. Coppens Catco feed of 0.8 - 1.2mm size was used to feed the post larvae throughout the duration of the experiment. The results showed that the shrimps grew from an initial mean body weight of 1.763g at stocking to 19.538g at the end of the experiment. The daily growth rate was 0.113g/day while specific growth rate was 1.532 %. Food Conversion Ratio (FCR) was 3.362 while survival rate was 90%. The study has shown that P. monodon can be successfully cultured in concrete tanks. However further studies aimed at improving growth rate will be undertaken.
    Description: Includes:-2 tables.;5 plates.;15 refs.
    Keywords: Aquaculture ; Peneaus monodon ; Nigeria ; Lagos ; freshwater environment ; Shrimp culture ; Crustacean culture ; Aquaculture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 677-682
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  • 2
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    Re-maturation of spent female broodstock of Macrobrachium vollenhovenii fed trash fish (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24675 | 19325 | 2018-05-23 07:50:27 | 24675 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Gravid female broodstock of M. vollenhovenii were collected from Ogun River. Their body weights ranged from 17.2g, 22.4g and 17.4g while the total lengths ranged from 9.7cm-11.7cm. The broodstock were stocked in three plastic tanks and allowed to spawn naturally. Three spent female broodstock were stocked separately in plastic tanks containing six (6) litres of freshwater. They were fed trash fish twice daily at 5% body weight. The spent females started to develope eggs again in 21 days with full maturation at 35 days. The body weights after 35 days ranged from 8.5g-24.1g while the total lengths ranged from 11.4-11.9 cm. The result obtained have shown that spent female broodstock of M. vollenhovenii can become gravid again in plastic tanks in 35 days when fed fresh trash fish. This will ensure all year round production of broodstock for development of M.vollenhovenii.
    Description: Includes: 9 references.
    Keywords: Aquaculture ; Macrobrachium vollenhovenii ; Nigeria ; Ogun River ; Re-maturation ; Trash fish ; Macrobrachium ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 442-444
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  • 3
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    Collection and maturation of broodstock of the black tiger shrimp Penaeus monodon (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23391 | 19325 | 2018-04-12 07:12:03 | 23391 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Forty (40) broodstock of the black tiger shrimp, Penaeus. monodon, comprising of 16 males and 24 females were collected between November and December 2008 from three Nigerian Fishing Companies namely Karflex Fisheries Nigeria Limited, Honeywell Fisheries and ORC Nigeria Limited. The body weight ranged from 72.5 to 300g, total length from 24.0-34.0 cm and carapace length from 8.0-24.5cm. Abdominal length ranged from 10.3 - 16.0 cm, and telson length from 3.0-5.7cm. The stages of ovarian development ranged between 0 and 3.5 while the percentage of sperm carried by the females ranged from 0 to 100%. The broodstock were stocked in the maturation tanks in the Nigerian Institute for Oceanography and Marine Research shrimp hatchery and fed on squid to enhance gonadal development and maturation. Spawning of P. monodon was successfully carried out three times with an estimated production of one to two million nauplii at each spawning. Three hundred and twenty (320) post larvae (PL30) were stocked in concrete tanks for broodstock development. The post larvae have presently attained juvenile stage with average body weight of 16.01g. The availability of broodstock of P. monodon in Nigerian coastal waters will ensure successful hatchery production of post larvae for stocking of ponds leading to the development of shrimp farming.
    Description: Includes:- 2 figs.;21 refs.
    Keywords: Aquaculture ; Penaeus monodon ; Nigeria ; Lagos ; freshwater environment ; Fish culture ; Shrimp culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 91-95
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  • 4
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    Design and construction of a shrimp hatchery for the breeding of the black tiger shrimp Penaeus monodon (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23392 | 19325 | 2018-04-12 07:11:15 | 23392 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: A shrimp hatchery for the breeding of the black tiger shrimp, Penaeus monodon was constructed by the Nigeria Institute for Oceanography and Marine Research in 2008 by the reconstruction of an existing old shrimp hatchery. The new shrimp hatchery comprises of the following: water treatment, water storage, broodstock maturation, spawning/incubation, nursery and micro-algae units. The design included the construction of a concrete sump for the collection and treatment of wastewater before disposal, in addition to an aeration unit equipped with root blower for adequate supply of dissolved oxygen. The reconstructed NIOMR shrimp hatchery has been successfully used for the production of post larvae, which are presently being reared to adult shrimp in concrete tanks. The successful completion of the shrimp hatchery and breeding of P. monodon has confirmed that the species can be spawned and reared to adult size in Nigeria for local and export markets.
    Description: Includes:- 1 fig.;11 refs.
    Keywords: Aquaculture ; Penaeus monodon ; Nigeria ; Lagos ; Hatchery Management ; Hatchery construction ; freshwater environment ; Shrimp culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 96-99
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  • 5
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    The status of shrimp (Penaeus monodon) and prawn (Macrobrachium vollenhovenii) farming in Cross River State, Nigeria (2021)
    FISON | Minna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24110 | 19325 | 2018-05-16 14:17:24 | 24110 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A survey on the status of shrimp and prawn farming in Cross river state was carried out in March, 2011. The survey was conducted using structured questionnaires and visits to potential sites. Data obtained through the analysis of the questionnaires indicated that seventy seven percent (77%) of the respondents were within the age bracket of 2l-50 years which fell within the active age while ten percent (10%) of the respondents were above 60 years. The educational background of the respondents showed that forty percent (40%) had tertiary education, 5.7% had technical education, 28.5% secondary education and 11.4% had primary education. The survey revealed that there was no shrimp or prawn farming in the state at the time of visit. Majority of the shrimp production activities were mainly from the capture fisheries, including both artisanal and industrial fisheries. A number of fisher folk interviewed were very enthusiastic to venture into shrimp and prawn farming if the technology for the propagation of the species were made available to them. Successful development of shrimp/prawn culture technology and dissemination will enhance aquaculture production of the species thereby creating employment opportunities and alleviating poverty.
    Description: Includes: 3 tables and 3 figures;Also includes: 7 refs.
    Keywords: Aquaculture ; Fisheries ; Penaeus monodon ; Macrobrachium vollenhovenii ; Nigeria ; Cross River ; Status ; Shrimp ; Prawn ; Culture ; Cross river state ; marine environment ; Shrimp culture ; Prawn culture ; Aquaculture products ; Artisanal fishing ; Fishery surveys
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 282-288
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  • 6
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    Collection of broodstock and juveniles of Macrobrachium vollenhovenii from the wild (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24676 | 19325 | 2018-05-23 07:51:33 | 24676 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A total of 457 broodstock and 143,000 juveniles of Macrobrachium vollenhovenii were collected at Isheri Olofin area and Okunmanya River over a period of time. They were transported live to the shrimp hatchery of NIOMR in Lagos. Live transportation of the broodstock of M.vollenhovenii with body weight ranging from 71.0-264.5g in liter-capacity plastic containers half-filled with water, recorded 98-100% survival rate between 80-110 minutes transportation time. However, live transportation of the juvenile in 50 liters capacity plastic containers without water recorded survival rates ranging from 20-66% while those carried with water and aerated recorded 12.5-93.75%. An air conditioned vehicle was used during the live transportation. Higher mortality rate was recorded for the juvenile than the broodstocks due to large number transported in additoin to the small-size gear used for trapping the jiveniles. The study has developed a simple technology for the collection and transportation of live specimens of broodstock and juveniles of M. vollenhovenii. Efforts will be made to increase survival of the juveniles through the use of larger containers and gears.
    Description: Includes: 20 references.
    Keywords: Aquaculture ; Macrobrachium vollenhovenii ; Nigeria ; Transportation ; Broodstock ; Juvenile ; M.vollenhovenii ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 445-448
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