Economic Evaluation, Growth Performance and Nutrient Utilization of Rumen Content in the Nutrition of African Catfish (Clarias Gariepinus) Burchell, 1822 Public Deposited

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  • A total of 225 Clarias gariepinus fingerlings with average weight of 8.30 g±0.01 were fed rations in which rumen content (RC) were included in a completely randomized design. They were grouped into 5 treatments of 3 replicates, each containing 15 fish, fed RC in a practical diet at 0, 6, 12, 18 and 24% dietary inclusion levels for 72 days. The total feed fed (TFF), average daily weight gain (ADWG) and protein productive value (PPV) were significantly affected (P<0.05) by the treatment while the specific growth rate (SGR), feed conversion ratio (FCR) and protein efficiency ratio (PER) were not significantly influenced (P>0.05) by the treatments. Fish fed 6% RC had the best mean weight gain (9.21g), SGR (0.42%/day) and feed efficiency (TFF) (0.49g), FCR (0.05) and PER(0.37g). A part from diet 2, MWG. SGR and PER were inversely related to the level of RC in the diet. The study showed that RC gave the best growth performance at 6% inclusion in Clarias gariepinus fingerlings diet. The control diet had the highest feed cost per kg of #9.44 and the lowest was recorded for fish fed 24%RC. Fish fed 24% RC (diet 5) had the best feed cost per kg (#4.88), least cost of weight gain per fish (N1.96) and cost of feed consumed per fish( N0.038).
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  • Olaniyi, Christianah. 2010. Economic Evaluation, Growth Performance and Nutrient Utilization of Rumen Content in the Nutrition of African Catfish (Clarias Gariepinus) Burchell, 1822. 10 pages. In: Proceedings of the Fifteenth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 13-16, 2010, Montpellier, France: Economics of Fish Resources and Aquatic Ecosystems: Balancing Uses, Balancing Costs. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2010.
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