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  • Kainji L.  (17)
  • Chemistry
  • LUNAR AND PLANETARY EXPLORATION
  • SPACE SCIENCES
  • bic Book Industry Communication::M Medicine::MJ Clinical & internal medicine::MJG Endocrinology
  • thema EDItEUR::P Mathematics and Science::PH Physics::PHF Materials / States of matter::PHFC Condensed matter physics (liquid state and solid state physics)
  • FISON  (27)
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  • 1
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    Women in fisheries: a case study of the Kainji Lake Basin, Nigeria (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23222 | 19325 | 2018-03-18 13:52:04 | 23222 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The study examined the contribution of women to fisheries in Kainji Lake Basin, Nigeria. The sample size of 80 respondents was selected through a purposive sampling in ten (10) fishing villages around Kainji Lake Basin. Instrument for data collection was semi- structured questionnaire. Data was analyzed using descriptive statistic. The result showed that the women are mostly engaged in processing, marketing and financing. About 60 percent of the women interviewed are engaged in marketing and financing. Ten (10) percent of the respondents are engaged in financing. The low participation in financing is attributed to high amount of capital involved. It is recommended that women should be made to benefit more from rural development policies and programmes.
    Description: Includes:- 2 tables.;1 fig.;7 refs.
    Keywords: Fisheries ; Sociology ; Nigeria ; Kainji L. ; freshwater environment ; Women ; Fisheries
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 66 - 71
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  • 2
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    Proximate composition and amino acids profile of smoked catfish Clarias gariepinus and tilapia Oreochromis niloticus (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23226 | 19325 | 2018-03-18 14:51:17 | 23226 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: The proximate composition and amino acids assay of smoked Clarias gariepinus and Oreochromis niloticus were determined using standard procedures. The mean proximate composition of Oreochromis niloticus are 8.9% moisture, 16.00% lipids, 5.6% ash, 44.5% crude protein, 0.42% crude fiber and 24.9% NFE while Clarias gariepinus has 8.19% moisture, 15.55% lipids, 4.725 ash, 40.46% crude protein, 0.50% crude fiber and 30.58% NFE. There is therefore a nutrient variation between the 2 species of fish Oreochromis niloticus has higher crude protein, lipids, moisture and ash content than Clarias gariepinus.The amino acids profile shows that both fishes have 17 amino acids. Apart from Tryptophan, the following essential amino acids Histidine, Methionine, Threonine, Isoleucine, Leucine, Lysine, Valine and Phenylalanine are present in both fish. Oreochromis niloticus however has higher quantities of the essential amino acids except for Histidine than Clarias gariepinus
    Description: Includes:- 2 tables.;2 figs.;7 refs.
    Keywords: Chemistry ; Fisheries ; Clarias gariepinus ; Oreochromis niloticus ; Nigeria ; Kainji L. ; freshwater environment ; Amino acids ; Ash content ; Lipids ; Organic compounds ; Moisture ; Proteins
    Repository Name: AquaDocs
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    Format: application/pdf
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    Format: 91 - 95
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  • 3
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    Bacteriological quality of water and fish samples from Kainji Lake and the effect of animal and human activities (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23242 | 19325 | 2018-03-25 12:34:41 | 23242 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Kainji Lake is a man-made Lake and is impounded in 1968 to generate hydroelectric power. The Lake also offers opportunities for developmental projects like Fisheries and Irrigation. Lake Kainji receives organic waste through husbandry operations in which the cattle defecate into and around the bank of the Lake. Other sources of pollution include runoff from farms, bathing and washings in the Lake. Surrounding villages e.g. Tarda and Musawa used the Lake as source of raw drinking water and also for other domestic purposes. Bacteriological quality of fish and water from the Lake is carried out as well as that of cow dung by using primary isolation media and biochemical analysis. Physico-chemical parameters of water from the Lake is also determined. Total viable bacteria count and total coliform count of the water range from 3.4 x 104 to 03.8x 106 Cfu/ml and 1.4 x 103to 2.1 x 105Cfu/ml respectively. Cow dung has total coliform count of 6.9 x 105 while fish gills has total coliform count of 1.6x103cfu/g. Bacteria species such as Escherichia coli, Salmonella typhi, Aeromanas hydrophila, and shigella species were found in the water body. Escherichia coli, Aeromonas hydrophila, and Salmonella species were found in the fish samples. Escherichia coli, Aeromonas hydrophila, Shigella species and Salmonella species were isolated from cow dung. Physicochemical Parameters such as DO, BOD and N03-N range from 4. 7 to 5.2mg/l, 0.2 to 0.9mg/1 and 7.0 to 9.3 mg/l respectively. This result shows that Kainji Lake is an intermediately polluted water. It is therefore necessary that cow dung used for fertilization of fish ponds should be screened for pathogens before use. It is also recommended that pollution of surface water bodies through human activities should be discourage by legislation on water pollution.
    Description: Includes:- 6 tables.;14 refs.
    Keywords: Biology ; Fisheries ; Pollution ; Nigeria ; Kainji L. ; freshwater environment ; Bacteriology ; Water quality ; Environmental effects ; Pollution
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 209 - 218
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  • 4
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    Study on the effect of two construction materials on the efficiency of fisheries aggregating devices (FADs) in Lake Kainji Nigeria (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23259 | 19325 | 2018-03-25 14:49:05 | 23259 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Fish Aggregating Devices (FADs) were experimented in Lake Kainji using worn out automobile lyres and cement blocks for a period of 12 weeks. Six tyres and blocks were tied together separately in 3 replicates and randomly suspended in the lake at a depth of 2 metre and 50 meter interval. After 8 weeks of suspension, a fleet of gillnets with 76mm mesh size and hung at E-value 0.5 were zigzag set across the suspended FADs for 12 fishing periods with 13 hrs soak time (~c1.0268.D.) per period The trial showed that the cement block FADs attracted more fish (70% of the total fish caught) belonging to 6 different species. The lyres FADs attracted only 3 species of fish constituting some 30% of the total fish caught Citharinus citharus dominated the catch of the block FADs constituting 52.3% of the total catch, while Oreochromis niloticus was 46.4% of the tyre FADs. The Horizontal Enhanced Fishing Zone (EFZ) was found to be between 5 to 12 metres from the location of the FADs. There was significant different (P〈0.05) in the catches of the two FADs.
    Description: Includes:-14 refs,;1 table,;3 figs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Fishing gear ; Gear construction ; Gear materials ; Gear research
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 324 - 329
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  • 5
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    Effect of baits on the efficiency of Malian traps in Lake Kainji (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23278 | 19325 | 2018-03-28 15:52:01 | 23278 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Studies on the effects of two fishing baits on the catch composition of Malian Traps in Lake Kainji were monitored. The Traps were set at Monia fishing village in the southern basin of the Lake Baited with boiled yam (Dioscorea rotundata) and fresh palm fruit (Elaeis guineensis) and were inspected twice daily for seven weeks. The fishes caught comprised of nine (9) species belonging to four (4) families. The result of analysis of variance of the biomass as well as number and percentages of fishes caught in the traps by the baits showed there was no significant difference (P〉0.05). However, both baits showed better efficiency for Tilapia zilli, Oreochromis niloticus and Hemichromis fasciatus than other species caught but trap baited with fresh palm fruit had better efficiency for Distichodus restratus and Alestes nurse. There was wide range between the minimum and the maximum size of species caught, which showed the efficiency of the traps capturing small size, juveniles and the adult of large fish species due to small mesh size (1'') net cover of the trap. Recommendations were made for better performance and profitable fishing of Malian traps.
    Description: Includes:- 4 tables.;11 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; Malian trap ; freshwater environment ; Fishing ; Bait ; Trap fishing
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 303 - 307
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  • 6
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    Evaluations off heavy metals in fish from Lake Geriyo Yola, Nigeria using x-ray fluorescence technique (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23338 | 19325 | 2018-04-07 17:17:18 | 23338 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The evaluation of Cr. Cu, Mn, Fe, Ni, Zn,As and Pb concentrations in Clarias gariepinus and Oreochromis niloticus from Lake Geriyo Yola,Adamawa, Nigeria using X - ray fluorescence (XRF) technique is discussed. The analytical samples are irradiated with high energy electrons of 109Cd to produce fluorescent X-rays was produced which passes to the Silicon-lithium detector through Mo target as a source of monochromatic X-rays. The spectrum of energy generated on the detector was processed by a Multi- Channel Analyzer to obtain analytical data. The intensity of the fluorescent X-rays on the detector is proportional to the concentration of the individual element of interest in the sample. This method can identify up to 30 or more elements at the same time. The results showed varying levels of heavy metals in the fishes. The concentrations of Cr, Mn, Cu, and Ni in the fishes were much higher than WHO and PEPA maximum permissible limits, while the concentrations of Zn and Pb were lower than the standards. The results suggest that the lake is polluted with Cr, Mn, Cu and Ni and the consumption of fishes of the lake is life threatening to man.
    Description: Includes:- 1table.;11 refs.
    Keywords: Ecology ; Chemistry ; Pollution ; Clarias gariepinus ; Oreochromis niloticus ; Nigeria ; Geriyo L. ; freshwater environment ; Heavy metals ; Fish ; X-ray fluorescence analysis ; Pollution ; Pollution effects
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 69-71
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  • 7
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    Genetic improvement of tilapia: challenges and prospects in Nigeria (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23373 | 19325 | 2018-04-10 16:09:38 | 23373 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The contribution of tilapia aquaculture in Nigeria to world output is negligible due to stunting, poor market value among others. This paper evaluates the aquacultural credentials of tilapia, some genetic improvement technology in cultured tilapia, namely, ploidy, hormonal sex reversal. transgenic, hybridization, and the necessity of Genetic Improvement in accelerating tilapia production in Nigeria. Investigation reveals the presence of O. niloticus with the highest growth perfermancc index (~h1=3.11) for Lake Kanji which indicates high growth potential in suitable culture environment and could serve as a good starting point for genetic development. The presence of ”wesafu”, an ecotype cichlid, endemic to Epe lagoon, Lagos, which grows to 1500g in the wild, appears to be an excellent candidate for genetic improvement of a commercial strain for the growing aquaculture industry. Tilapia Genetic improvement in Nigeria is faced with a number of setbacks. This includes short- term, scattered and disjointed funding, inadequate genetic research facilities, ecological risk, inadequate skilled manpower and poor documentation of tilapia genetic resources among others. Considering the growing importance of tilapia culture, the need to document, conserve, evaluate and utilize tilapia genetic resources is highlighted to enhance the success of food security in Nigeria.
    Description: Includes:- 3 tables.;26 refs.
    Keywords: Aquaculture ; Oreochromis niloticus ; Nigeria ; Kainji L. ; freshwater environment ; Fish culture ; Genetics ; Selective breeding
    Repository Name: AquaDocs
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    Format: application/pdf
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    Format: 23-28
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  • 8
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    Application of holistic approach for sustainable fisheries: a case study of Kainji Lake Basin (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23383 | 19325 | 2018-04-10 16:47:20 | 23383 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The sustainability of the resources requires much more than paying attention to a single factor, rather looking at it in a holistic manner. Specifically, other economic infrastructure and resources that form the essential components of the fisheries system and fishers livelihood needs to be considered. This to a greater extend will permit choice and mobility of livelihood portfolios, hence reduction in fishing efforts and sustainability of the sector, which eventually translate into development of the sector. However, provision of these facilities are often capital intensive and often left for the government along to provide.
    Description: Includes:- 1 table.;1 fig.;8 refs.
    Keywords: Fisheries ; Nigeria ; Kainji L. ; freshwater environment ; Inland fisheries ; Fishery development ; Fishery management ; Fishery resources ; Fishermen
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 63-66
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  • 9
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    Effects of salinity on larval dimension of Tilapia guineensis (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23422 | 19325 | 2018-04-25 19:24:46 | 23422 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: Tilapia guineensis eggs were spawned and hatched in different salinities (17, 12, 7, 5, 2 and 0) ppt. The study was conducted in eight replicates. The aim of the investigation was to ascertain disparity in hatching size of Tilapia guineensis attributable to salinity. Immediately hatching was observed, body weight of five hatchlings in each replicate was individually weighed in milligramme. The individual total length of the five hatchlings was also measured in millimeter. The height of the yolk sac larva was determined with micro-metre screw gauge graduated in millimeter from the top of the yolk sac to the dorsal region of the larva. Data obtained were used to calculate yolk sac volume. Significant differences (P〈0.01) were observed in body weight and total length of larvae hatched in different salinities. The heaviest and longest larvae were hatched in 12 ppt saline water. The yolk sac volume of larvae hatched in lower salinities were significantly higher (P〈0.01) than the yolk sac volume of larvae hatched in higher salinities. The smallest yolk sac volume was recorded in 12ppt saline water. Our findings show that salinity could be manipulated for economic production of heavier seeds of Tilapia.
    Description: Includes:- 5 tables.;6 refs.
    Keywords: Aquaculture ; Chemistry ; Tilapia guineensis ; Nigeria ; brackishwater environment ; Salinity effects ; Larvae
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 51-55
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  • 10
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    Physico-chemical parameters of fish ponds as it affects fish production in Ado-Ekiti, Ekiti State, Nigeria (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24590 | 19325 | 2018-05-20 16:05:58 | 24590 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: The water analysis of five selected ponds in Ado-Ekiti in Ekiti State, was carried out to determine their suitability for fish culture. Pa rameters analyzed were: Temperature, Turbidity, Carbon (IV) oxide, Alkalinity, Hardness, pH and Dissolved oxygen. Values for temperature ranged between 20.0~'C and 29.0~'C, Turbidity values were between 46.0-50.2cm, Carbon (IV) oxide: 11.5-12.2mg/litre; alkalinity: 100-120mg/liter; hardness: 110-200mg/litre; pH: 6.8-7.8 and dissolved oxygen: 5.8-6.8mg/liter. The values obtained were found to be within acceptable range for fish production.
    Description: Includes: 10 references.
    Keywords: Aquaculture ; Chemistry ; Nigeria ; Physico-chemical parameter ; Fish pond ; Ado-Ekiti ; Fish production ; freshwater environment ; automation
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 97-100
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