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  • 1
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    3-D structural and seismic attribute analysis for field reservoir development and prospect identification in Fabianski Field, onshore Niger delta, Nigeria (2019)
    Elsevier
    Details
    Publication Date: 2019-10-01
    Print ISSN: 1464-343X
    Electronic ISSN: 1879-1956
    Topics: Geosciences
    Published by Elsevier
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    PAPER CURRENT
  • 2
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    Effects of substituting fish meal with grasshopper meal on growth and food utilization of the Nile Tilapia, Oreochromis niloticus fingerlings (2021)
    In:  http://aquaticcommons.org/id/eprint/4135 | 424 | 2011-09-29 16:24:33 | 4135 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-06-30
    Description: The effects of substituting fish meal with grasshopper meal in fish diets on the growth, food utilization and survival of the Nile tilapia, Oreochromis niloticus (mean weight = 40.1g) were investigated. The results show that the best growth and food utilization were recorded in the fingerlings fed in the 10% grasshopper meal and 30% fish meal while the poorest growth and food utilization indexes were recorded with the 25% grasshopper meal and 15% fish meal. In general, at 10% inclusion, the fingerlings performed even better than the control (40% fishmeal and no grasshopper meal)
    Keywords: Aquaculture ; Biology ; Nigeria ; diets ; feed efficiency ; feeding experiments ; fish culture ; fish meal ; nutritive value ; Oreochromis niloticus ; Nile tilapia
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 37-44
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  • 3
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    Fish hatchery survey in Borno State, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23428 | 19325 | 2018-05-02 08:04:53 | 23428 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Aquaculture is regarded as being uniquely placed to reverse declining supplies from capture fisheries and for this to be realized, fish hatchery has a notable role to play. Fish hatchery is the bedrock upon which true and sustainable fish farming can be built. A field survey was conducted in the 3 geo-political zones of the State to look into the number and functionality of fish hatcheries. Results showed that there were about 23 fish hatcheries in the State with the majority concentrated in Maiduguri metropolis. Private ownership (79%) dominated of which 84% were functional. Average annual production is less than 10,000 fingerlings in most hatcheries while the wild sourced fingerlings were used as alternative by the majority. Most hatcheries (62%) made use of concrete tanks for breeding and nursery. All the respondents were of the opinion that the level of patronage was encouraging, though agreed that the level of aquaculture development in the State was low. However, few among the respondents said aquaculture development in the State is on the increase due to low productivity of natural water bodies for the past 10 years. Recommendations were made on how to improve hatchery operation that could help to boost aquaculture development in the State
    Description: Includes:- 3 tables.;3 figs.;5 refs.
    Keywords: Aquaculture ; Nigeria ; Borno State ; Hatchery management ; freshwater environment ; Fish culture ; Freshwater aquaculture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 88-93
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  • 4
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    Toxicity of heavy metals to fish: an important consideration for sucessful aquaculture (2021)
    Fisheries Society of Nigeria | Lagos
    In:  http://aquaticcommons.org/id/eprint/23033 | 19325 | 2018-03-05 09:12:27 | 23033 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-12
    Description: Heavy metals are toxic to man, animals and plants once safe limits are exceeded. Then ability to bio accumulate in plant and animal tissues makes them particularly hazardous. Heavy metals are toxic to all aquatic biota and cause high mortality of fish larva, fry, fingerling and adult fish. They accumulate in the gills, heart, liver, kidneys, brain, bones and muscles of fish. The physico-chemical forms of heavy metals determine their mobility, availability and toxicity to fish. These metals enter aquaculture systems through various means (polluted water, storage facilities, fish feed, atmospheric deposition, etc) and constitute a factor detrimental to successful aquaculture. This paper reviews the mode of entry, transport and toxicity of some selected heavy metals to freshwater fish. Methods for the determination of these metals in water, fish and sediment samples are also presented. Ways of preventing their entry into aquaculture systems together with the safe limits of concentration of these metals in aquaculture systems are also included.
    Description: Includes:- 2 tables.;23 refs.
    Keywords: Pollution ; Aquaculture ; Nigeria ; freshwater environment ; Heavy metals ; Toxicity ; Pollution effects ; Fish culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 250 - 254
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  • 5
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    Effect of stocking density on the growth rates of Clarias gariepinus in a floating hapa system (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23233 | 19325 | 2018-03-18 15:08:08 | 23233 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Any aquaculture system needs constant supply of good quality water. In the arid zone of Nigeria this problem becomes more acute. This study therefore tries to rear fish is enclosure (net-hapas) suspended in outdoor concrete tanks to maximize the use of water and feed. About 350 fingerlings (of mean weight of 4.93g) of Clarias gariepinus caught in the same locality in Lake Alau ( Maiduguri, Borno State) were stocked in net-hapas (1 x 1x 1 m) at 25,50 and 100 fish/m3. Each treatment was duplicated the fish were fed three times a day on a formulated 40% protein balanced diet at 5% body weight per day. Batch weighing of the fish in each net-hapa was carried out every fortnight for body weight measurement. Water quality parameters such as dissolved oxygen, pH and temperature were measured weekly. The results of the fish growth and feed utilization efficiency were pooled for each treatment, computed and analyzed using one-way-analysis of variance (ANOVA) Mortality was highest in treatment 3 (100/m3) when compared with treatments I and 2 (25/m3 and 50/m3 respectively). This is mainly due to handling stress because of the long distance from Lake Alau 10 the NIFFR Zonal Station outdoor ponds (〉45km) and the method of capture (Cast net). There were slight differences in mean final weight and food conversion of the fish at the end of the study but no statistical differences were found among the treatments (P〈0. 05).
    Description: Includes:- 3 tables.;7 refs.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; Maduguri ; freshwater environment ; Stocking density ; Fish culture ; Growth rate ; Cage culture
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 136 - 139
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  • 6
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    Integrated rice-fish farming in Nigeria: its' feasibility and economic viability (2021)
    In:  http://aquaticcommons.org/id/eprint/872 | 6 | 2011-09-29 21:29:03 | 872 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-03
    Keywords: Aquaculture ; Agriculture ; Clarias ; Tilapia ; Common carp ; Nigeria
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 168-172
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  • 7
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    Commercial pond fish culture using waste water (2021)
    In:  http://aquaticcommons.org/id/eprint/3479 | 424 | 2011-09-29 17:20:39 | 3479 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-06-26
    Description: Waste water from some National Electric Power Authority (NEPA) housing units in Nigeria was fed to a 0.4 ha pond which was stocked with 2,200 Sarotherodon galilaeus fingerlings with a mean weight of about 36.0gm and 1000 Cyprinus carpio fingerlings with a mean weight of 10gm. This yielded after 10 months, over 2300 kg of harvestable fish plus over 20,000 Sarotherodon galilaeus fingerlings. The growth rate of C. carpio was not very encouraging possibly because of the type of plankton that colonised the pond. The S. galilaeus became stunted because of overpopulation as there were no carnivores to control their excessive breeding. The physico-chemical parameters were favourable for the growth of fish food organisms
    Keywords: Aquaculture ; Nigeria ; aquaculture systems ; fish culture ; pond culture ; wastewater aquaculture ; Cyprinus carpio ; Sarotherodon galilaeus
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 407-413
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  • 8
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    Preliminary study on the construction and management of integrated rice-cum-fish culture system at Karabande, New Bussa (2021)
    In:  http://aquaticcommons.org/id/eprint/3710 | 424 | 2011-09-29 16:54:34 | 3710 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-06-29
    Description: Details are given of a study carried out in Nigeria, to introduce the practice of fish-cum-rice culture, using Sarotherodon galilaeus. Two plots each measuring 360m super(2) were used for this study and were compared with the farmer's two plots measuring 300m super(2) and 350m super(2). The plots were modified and had two central canals. Rice seedlings were transplanted into the plots after 19 days using a planting distance of 20 x 20cm. Three rice seedlings were planted per hole, using rice variety FARO 40, and grown for 90 days. About 240 and 180 S. galilaeus fingerlings of mean weight of 30g and 26g were stocked in the two experimental plots, respectively. They were fed with pelleted feed of 25% C.P. and monitored for 100 days. A yield of 22.8kg was obtained in plot A while 15.66kg was obtained in plot B. A rice yield of 250kg (i.e 5 bags) was obtained in each of the plots. The results obtained were compared with plots with no fish
    Keywords: Aquaculture ; Nigeria ; aquaculture development ; aquaculture systems ; aquaculture techniques ; fish culture ; rice field ; Oryza sativa ; Sarotherodon galilaeus
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 195-202
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  • 9
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    Duckweed (Lemna paucicostata Heglem ex Engle) in the diet of tilapia (Sarotherodon galilaeus) (2021)
    In:  http://aquaticcommons.org/id/eprint/3403 | 424 | 2011-09-29 17:29:51 | 3403 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-06-25
    Description: The growth of Sarotherodon galilaeus fingerlings fed with test diet of 33% crude protein and containing 10% duckweed was compared with standard KLRI/40/6 feed of 40% crude protein. From an initial mean weight of 1.18gm and 1.17gm, the fingerlings in the test diet and control respectively grew to a final mean weight of 2.17gm and 1.98gm after seven weeks. With mean growth rate of 2.02% and 1.65% of their body weight per day respectively for the test diet and the control, it was obvious that the test diet was better and had a higher food conversion than the control. The duckweed must have therefore, supplied some essential amino acids to the test diet thereby making it a higher quality feed
    Keywords: Aquaculture ; Nigeria ; artificial feeding ; diets ; fish culture ; proteins ; Sarotherodon galilaeus
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 136-140
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  • 10
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    Commercial production of Clarias fry and fingerlings in indoor and outdoor concrete tank systems (2021)
    In:  http://aquaticcommons.org/id/eprint/3453 | 424 | 2011-09-29 17:25:53 | 3453 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-06-26
    Description: Induced breeding technique by hypophysation is being applied at the Kainji Lake Research Institute Fisheries Division Hatchery complex in New Bussa, Nigeria, for the production of Clarias fry and fingerlings in indoor and outdoor concrete tank systems. The hatchlings are fed on livefood (zooplankton) and artificial feed. Source of zooplankton is from cultured stock which is maintained throughout the breeding season by fertilization. Production values show that an average of over 4,000 hatchlings (larvae) can be produced by a female breeder (over-700g wt) and percentage survival after two months ranges between 70 to 75%. With the proposed modification and expansion project, an estimated production of over 0.5 million fingerlings per breeding season is projected
    Keywords: Aquaculture ; Nigeria ; aquaculture systems ; aquaculture techniques ; fish culture ; fry ; induced breeding ; seed production ; Clarias
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 181-186
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