Dietary strategies for better production of African Catfish (Clarias gariepinus) in aquaculture: A review


Mekonnen Melesse*

African catfish is one of the cultured fish species in Africa, as well as tropical countries, due to its high meat quantity and quality, fast growth performance, high resistance to poor water quality, ability to be cultured in a high stocking density and suitability for intensive culture system. Therefore, the objective of this paper is to review on dietary strategies employed for better production of African catfish (Clarias gariepinus) that may contribute in giving updated dietary information, further investigation and enhance production of African catfish. African catfish has different feed ability based on the size of the fish. They are many factors affecting the production and productivity of the species in different size level. Larval stage has no fully developed digestive system then by the effort of the researchers direction was indicated gradually transition to exogenous feed within 5-7 days weaning period with enhanced survival of larvae. The effects of feed ingredients, plant based diet, and feed additives (Probiotics, prebiotics, phytogenic, enzymes, hormones, binders and organic acids) applied and the best result was reported. Replacement of costly and unavailable feed ingredients with cheap, easily available, low cost, nutritionally acceptable and environmentally friendly plant protein sources were reported. Since the fish has a special feeding strategy based on stage of fish. Fish farmer should have to understand the feeding behavior and nutritional requirement of fish as well as choice ingredients based on nutrient content and availability with respect to sustainability and cost effectiveness.

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