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The aims of the present study were to assess the effects of the replacement graded levels of aquafat-O (0, 1, 2 and 3%) instead of corn oil on the growth performance, feed and nutrients utilization, chemical composition of the whole fish body and the economic efficiency of adult Nile tilapia Oreochromis niloticus,( females and the males) for 11 weeks. The obtained results showed the replacement of aquafat-O at a level of 1% for adult O. niloticus, females and males significantly (P ≤ 0.05) enhanced fish growth, feed intake and nutrients utilization, as well as realized slight improving of chemical composition of the whole fish body and economic efficiency. Hence, it could be concluded that replacement of aquafat-O at a level 1% of corn oil led to improvement of productive performance and economic efficiency of the adult females and males Nile tilapia (O. niloticus). It so may be using of aquafat-O as a growth promoter in fish farming and hatcheries.

journal of animal and poultry production

IMPACT OF AQUAFAT-O® ON GROWTH PERFORMANCE, FEED UTILIZATION, CHEMICAL COMPOSITION AND ECONOMIC EFFICIENCY OF ADULT NILE TILAPIA, Oreochromis niloticus