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  • 1
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    Use of baobab pulp as a source of vitamin C in the diet of Nile tilapia, Oreochromis niloticus fingerlings (2021)
    FISON | Lagos, Nigeria
    In:  http://aquaticcommons.org/id/eprint/23277 | 19325 | 2018-03-28 15:50:01 | 23277 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-13
    Description: Sixteen (16) weeks feeding trial in a randomized design with three replicates was conducted to study the response of 180 Oreochromis niloticus fingerlings to baobab pulp as a source of vitamin C. They were fed a basal diet without supplemental vitamin C in the first 2 weeks of conditioning to deplete some stored acrobate. Diets supplemented with 1008 mgascorbyl-2-monophosphate Mg2+ (AMP) kg-1 diet (diet 1); 84g baobab pulp kg-1 (diet 2) and 168g baobab pulp kg"1 diet (diet 3) were evaluated. There was no significant difference (P〉0.05) in terms of weight gain, feed efficiency ratio, protein efficiency ratio, specific growth rate and survival between the groups fed diets 1 and 3. There was a significant difference between the groups fed diet 2 and either of the other diets. Total ascorbate concentration of the liver was significantly (P〈0.05) higher in the groups fed diet 3. The crude protein content of the final fish was significantly (P〈0. 05) higher in the groups fed diet supplemented with AMP. Interestingly none of the groups exhibited the characteristic symptoms of vitamin C deficiency. The results of this experiment suggest that Oreochromis niloticus was able to obtain vitamin C from the baobab pulp and tend to recommend baobab pulp at a level not less than 168g kg-1 diet in the nutrition of Oreochromis niloticus based on the condition of this study.
    Description: Includes:- 3 tables.;1 fig.;19 refs.
    Keywords: Aquaculture ; Oreochromis niloticus ; Nigeria ; freshwater environment ; Vitamin C ; Diets ; Feeding experiments
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 297 - 302
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  • 2
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    Effects of supplemental selenium in diets of Heterobranchus longifilis (2021)
    FISON | Akure (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/23381 | 19325 | 2018-04-10 16:42:29 | 23381 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-14
    Description: The effect of selenium supplementation into diets of Heterobranchus longifilis fingerlings was investigated using a completely randomized design with triplicates in a mini-flow through experimental system. 245 fingerlings (mean wt., 1.5~c0.23g) were stocked and fed either normal (Basal) diet (Control group) or diets supplemented with 0.16, 0.24, 0.32 or 0.64 mg sodium selenite Kg-I Selenium addition to the diets and fed to the fish caused a significant increase (P〈0.05) in weight gain and fingerlings growth rate was accelerated by 18-22% compared to 17-18% in the control group. There were significant differences (P〈0.05) in survival rate between treatments, indicating that diets are likely to be responsible for increased survival rate, observed in fish fed diets supplemented with 0.24 and 0.32 mg Na2 Se03 5H2O kg-1 diet. Results indicated that a diet supplemented with, 0.24 and 0.32 mg of sodium selenite Kg-1 diet is important for growth and survival of H. longifilis fingerlings.
    Description: Includes:- 3 tables.;18 refs.
    Keywords: Aquaculture ; Heterobranchus longifilis ; Nigeria ; New Bussa ; freshwater environment ; Feeding experiments ; Experimental culture ; Nutritional requirements ; Diets ; Selenium
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 55-58
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  • 3
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    Growth performance and nutrient utilization of post fingerlings Clarias gariepinus fed varied levels of biscuit waste (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24162 | 19325 | 2018-05-13 13:15:18 | 24162 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A feeding trial was conducted to determine the effect of biscuit waste meal on the growth performance and utilization of Clarias gariepinus juveniles. A total of 300 juveniles of average weight 8.85g were randomly divided into 5 Treatments, each with three replicates. Twenty juveniles were distributed into fifteen happas (0.7m3) and each happa was suspended to 3/4 of its volume using kuralon ropes carefully tied round the bamboo poles across the concrete tanks. Five diets containing 40% crude protein were formulated in which maize was replaced with biscuit waste meal at Treatment diet 1 (TD1) 0%, 25% (TD2), 50% (TD3), 75% (TD4), 100% (TD5) levels.The juveniles were fed at 3% body weight per day for 10 weeks. It was recorded at the end of the experiment that biscuit waste was most suitable as an energy supplement when incorporated at 25% replacement (TD2) with maize. TD1 had the highest weight gain followed by TD2, TD3, TD4 and TD5 respectively. There were no significant differences (P〉0.05) in the growth response in TD1 (0%), T0D (25%) and TD3 (50%). It is therefore concluded that biscuit waste meal is a cheap source of non conventional energy source which can be used favorably to replace maize (25% inclusion level) as an energy source in the diets of Clarias gariepinus.
    Description: Includes: 7 tables.;Also includes: 15 references.
    Keywords: Aquaculture ; Clarias gariepinus ; Nigeria ; Abeokuta ; Treatment ; Biscuit waste ; Net hapa ; Juvenile ; Crude protein ; freshwater environment ; Growth rate ; Nutrition ; Freshwater fish ; Fingerlings ; Diets ; Wastes ; Feed ; Feeding experiments ; Fish culture
    Repository Name: AquaDocs
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    Format: 45-50
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  • 4
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    The effects of Baker's yeast (Saccharomyces cerevisiae) on rearing of Heterobranchus longifilis: growth and survival in outdoor concrete tanks (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24158 | 19325 | 2018-05-13 13:02:50 | 24158 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Heterobranchus longifilis juveniles (93.42 - 147.77g) used for this study were product of an indoor experiment in glass aquaria transferred to outdoor tanks. This study is therefore, a continuation of the indoor study using the same feed for the fish outdoors for 230 days. They were stocked in ten concrete tanks, of sizes 2m X 2m. The fish were stocked according to the number harvested from the indoor experiment for each treatment. The experimental diets were prepared with fish meal, soybean, groundnut cake, wheat offal, yeast, premix, starch, vitamin C and Vitamin B-complex to meet the requirement of H. longifilis. The analyzed crude protein in each diet was 42.56%, 43.32%, 4369%,43.86% and 43.98%. There was significant variation (p〈0.05) in the Mean Final Weight (MFW), Mean Weight Gain (MWG), Protein Efficiency Ratio (PER), Specific Growth Rate (SGR) and Percentage Survival (PS). The survival of the fish was highest with the fish fed 2g yeast/I00g of diet and this was not significantly different from fish fed 1g yeast/ 100g diet. The cost of production of one kilogram of fish using varying levels of S. cerevisiae in diets varied significantly (p〈0.05).
    Description: Includes: 2 tables.;Also includes: 18 references.
    Keywords: Aquaculture ; Ecology ; Heterobranchus longifilis ; Nigeria ; Niger ; Growth ; Survival ; Heterobranchus longifilis ; Yeast ; freshwater environment ; Freshwater fish ; Yeasts ; Artificial feeding ; Diets ; Feeding experiments ; Culture tanks ; Growth rate ; Survival ; Fish culture
    Repository Name: AquaDocs
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    Format: application/pdf
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    Format: 28-31
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  • 5
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    Haematological changes of Clarias gariepinus juveniles fed different dietary lipid (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24234 | 19325 | 2018-05-19 07:29:20 | 24234 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Twelve weeks feeding trial was conducted to determine the effects of different dietary lipid sources on the hematological changes in Clarias gariepinus juveniles. Six (6) iso-nitroginous diets were formulated at 45% CP and fed to triplicate groups of 15 juveniles. The feed contained (Palm Seed Oil (PSO), Ugwu Seed (USO), Soya Bean Oil (SBO), Almond Seed Oil (ASO), Mixture Of All the vegetable oil + the fish oil (MOA) and Cod Liver Oil (CLO) which is the control. The oils were added at 5% inclusion level respectively. Fish of mean weight 22.83 ~c 0.30g were fed these experimental diets in triplicate groups. The hematological analyses of fish showed that red blood cell, white blood cell, Erythrocyte sedimentation rate ( ESR), Mean cell volume (MCV), Mean cell Haemoglobin (MCH) and packed cell volume were not significantly different (p〈0.05), but haemoglobin concentration and Mean cell haemologlobin concentration (MCHC) were significantly different (p〉0.05). The present study showed that PSO, USO, ASO, SBO and MOA can effectively replace cod liver oil without compromising the health of African catfish, Clarias gariepinus.
    Description: Includes: 17 references.
    Keywords: Aquaculture ; Ecology ; Clarias gariepinus ; Nigeria ; Dietary lipid ; Juveniles ; Haematology ; Clarias gariepinus ; Haematology ; Phase changes ; Freshwater fish ; Juveniles ; Diets ; Lipids ; Feeding ; Feed ; Blood cells ; Fish oils ; Experimental research ; Laboratory culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 327-330
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  • 6
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    Growth performance and feed utilization of Clarias gariepinus (Teugels) fed different dietary levels of soaked Bauhinia monandra (Kutz) seed meal (2021)
    FISON | Minna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24076 | 19325 | 2018-05-12 14:04:20 | 24076 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: This study was conducted to evaluate the suitability of soaked Bauhinia monandra (Kutz) seed as alternative protein source for Clarias gariepinus and to determine cost of feed compounded. The proximate analysis of the diet and carcass composition of fish (crude protein, crude fibre, ash, moisture content and lipid were determined using AOAC (1980). Data for each parameter were subjected to analysis of variance (ANOVA) while means of various results were compared at 5% level of significance. A preliminary study was conducted to determine the best processing method that reduced anti-nutrients to the minimum level without impairing nutrients composition. Boiled, toasted and soaked seeds were used. Bauhinia seeds soaked for 96 hours had least concentration of anti-nutrients. The experimental diets was formulated to contain soaked Bauhinia seed meal (SBSM) at levels of 25%, 50% and 75% inclusion (Diets 2, 3 and 4 respectively) with two diets acting as control (Diets 1 and 5). All diets were isonitrogenous (40% crude protein) and isocaloric (3212kcal/kg). A 12 weeks feeding trial was conducted in juveniles which were randomly distributed into 24 improvised non-recirculatory and semi-flow through indoor plastic tanks (52cm X 34cm X 33. 5cm) at a stocking rate of 10 fish per tank and three (3) replicates per treatment. The experimental design was complete randomized. The fish were fed at 5% body weight, twice daily. Diets with higher inclusion levels of SBSM (diets 3 and 4) significantly depressed growth formance of fish. The variations observed in the SGR, FCR, FER and PER were associated with the anti-nutrients present in the diets, these parameters reduced with increasing levels of SBSM in the diets of fish. Based on the relative cost of diets per unit eight gain and protein gain, diet 2 (25% SBSM) was most economical. The results suggested that SBSM can be used to substitute up to 25% levels of dietary protein in C. gariepinus juveniles without significant reduction in growth.
    Description: Includes: 4 tables;Also includes: 23 refs.
    Keywords: Ecology ; Aquaculture ; Nigeria ; Katsina State ; Growth ; Feed utilization ; i Clarias gariepinus/i ; freshwater environment ; Fish ; Feeding ; Utilization ; Diets ; Feeding experiments ; Carcasses ; Growth rate
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 66-74
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  • 7
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    Graded level inclusion of melon shell in the diet of hybrid catfish (Heteroclarias) as energy source (2021)
    FISON | Minna (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24103 | 19325 | 2018-05-16 13:44:13 | 24103 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Utilization of agricultural waste- melon shell by hybrid catfish (heteroclarias) 3.92 ~c 0.05g was investigated in this research. Five isonitrogenous diets containing 40% crude protein with inclusion levels of melon shell meal (MSM) at 0%,25%,50%, 75% and 100% in replacement of maize meal was fed to heteroclarias species for 56.days. The results indicated significant differences (P〈0.05) in the growth parameters and body compositions. Diet containing 50% melon shell meal gave a significantly high mean weight gain, specific growth rate, protein efficiency ratio, apparent protein utilization and low feed conversion ratio respectively. The experiment supported the inclusion of melon shell meal up to 50% without detrimental effects on the growth of the fish.
    Description: Includes: 4 tables and 1 figure;Also includes: 14 erfs.
    Keywords: Ecology ; Aquaculture ; Nigeria ; freshwater environment ; Fish ; Byproducts ; Feeding experiments ; Utilization ; Diets ; Nutritional requirements ; Energy resources ; Growth rate
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 235-242
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  • 8
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    Impact of feeding diets containing Luffa cylindrica seedmeal on the variable cost of production of African catfish, Clarias gariepinus (Burchell 1822) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24157 | 19325 | 2018-05-13 13:00:52 | 24157 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: This study investigates the use of Luffa cylindrica seed meal as soybean replacer in the diet of Clarias gariepinus. Five isonitrogenous diets containing soybean meal which was replaced by Luffa cylindrica at a rate of 0, 15,30,45 and 60% were made. The diets without Luffa cylindrical seed meal served as the control. Experimental diets were assigned randomly to the tanks and each group of fish was fed 5% body weight in equal proportion per day. The fish fed diet 1 had the highest incidence of cost, while the fish fed diet 4 had the lowest incidence of cost. There was no significant difference (P〉0.05) in the incidence of cost of producing 1kg fish with the different dietary treatments. The fish fed at diet 4 had the highest profit, while the fish fed at diet 1 had the lowest profit. There was no significant difference (P〉0.05) in the profit margin of producing 1kg fish with the different dietary treatments. The incidence of cost showed that it was cheaper to produce 1kg of fish with Luffa cylindrical seed meal because feeding the fish with the diet (control and tests diets) left some profit margin.
    Description: Includes: 5 tables.;Also includes: 18 references.
    Keywords: Aquaculture ; Ecology ; Clarias gariepinus ; Nigeria ; Ogun State ; freshwater environment ; Diets ; Freshwater fish ; Artificial feeding ; Feeding experiments ; Fish culture ; Production cost
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 24-27
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  • 9
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    Effects of partial and total replacement of soyabean meal with pigeon pea (Cajanus cajan) as alternative plant protein source in the diet of juvenile African mud catfish (Clarias gariepinus) (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24160 | 19325 | 2018-05-13 13:07:24 | 24160 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: A 56-day feeding trial to investigate the effects of feeding varying levels of substituted Soybeam meal (SBL) with Pigeon pea seed meal (PSM) on the performance and carcass characteristics of Clarias gariepinus was conducted. Five isonitrogenous 40% crude protein diets were formulated where PSM Clarias gariepinus (15.74 ~c 1.22g) stocked at 15 fish/50 litres tanks were fed diets in triplicates twice daily to satiation and weight changes recorded weekly. Fish fed diet with 25% and 100% PSM inclusion gave the highest mean weight gain of 25.47g and 23.34g respectively (P〉0.05). There were no significant difference (P〉0.05) among the weight gain of other treatments. Fish fed diet containing 0% SBM and 100% PSM gave the highest gross food conversion efficiency and percentage weight gain of 43.50g and 12.l8g while fish fed diet containing 50% SBM and 50% PSM had the lowest of 35.67 and 9.99 respectively with no significant changes compared with other treatments. For good growth, fish farmers are advised to consider Pigeon pea seed meal either as a partial (25%) or total replacement (100%) for soybean meal in the diet of Clarias gariepinus juveniles.
    Description: Includes: 5 tables.;Also includes: 19 references.
    Keywords: Aquaculture ; Ecology ; Clarias gariepinus ; Nigeria ; Lagos ; Soyameal ; Pigeon pea ; Clarias gariepinus ; Protein source ; freshwater environment ; Diets ; Freshwater fish ; Artificial feeding ; Feeding experiments ; Proteins ; Juveniles ; Feed efficiency ; Growth rate
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 37-40
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  • 10
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    Growth performance and feed utilization of mudfish Heterobranchus longifilis juveniles fed varying dietary protein levels (2021)
    FISON | Lagos (Nigeria)
    In:  http://aquaticcommons.org/id/eprint/24171 | 19325 | 2018-05-13 18:52:27 | 24171 | Fisheries Society of Nigeria
    Details
    Publication Date: 2021-07-15
    Description: Mudcatfish (Heterobranchus longifilis) juveniles (body weight 61.60-83.05g, length 204.43 ~c 3.07 - 229.53 ~c 3.65mm) were fed with diet containing crude protein (CP) levels of 30%,35% and 40% for 10 weeks, using fishmeal as a protein source. Growth performance and feed utilization were investigated. Fish were raised in plastic aquaria of dimension 46 x 38 x 28cm3 at a temperature range of 26.0-29.0~'C, pH value of 6.6-7.4 and dissolved oxygen of 3.5-5.1 mg/1. The highest increase in body weight (23.30 ~c 4.30g) and specific growth rate (0.68 ~c 0.02% day-1) were achieved with Diet 2 (35%CP). The condition factor ranged 0.60 ~c 0.009- 0.66 ~c 0.005 and fish survival was 100% for all diets. Protein efficiency ratio (2.37 ~c 0.35) was also significantly better with 35% CP (p〈0.001). Diets 1(30% CP) and 2 (40% CP) gave lower performances. The observations in this study suggest that a 35% high quality protein diet will probably provide the needed protein requirement for H.longifilis juveniles.
    Description: Includes: 3 tables.;Also includes: 13 references.
    Keywords: Aquaculture ; Ecology ; Heterobranchus longifilis ; Nigeria ; Bayelsa ; Heterobranchus longifilis ; juveniles ; Protein ; Feed utilization ; freshwater environment ; Growth rate ; Feed ; Utilization ; Freshwater fish ; Juveniles ; Diets ; Proteins ; Fish meal ; Condition factor ; Survival ; Feeding experiments ; Fish culture
    Repository Name: AquaDocs
    Type: conference_item , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 80-82
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