Author(s): Agbebi OT, Otubusin SO, Ogunleye FO
Fingerlings of catfish (Clarias gariepinus) with mean weight 3.7 Â± 0.20g were randomly stocked at 50 fingerlings per cage in replicates (cage size, L x B x H; 1m x 1m x 1m) for 120 days to evaluate the effect of substituting (FM) fish meal (65% CP) at different inclusions of (BM) blood meal (80% CP) in feeds. The pelleted feeds (containing I: 25% FM, II: 15% FM + 10% BM; III: 10% FM + 15% BM and IV: 25% BM) were fed at 10% body weight to the fish. The feed (diet IV) containing 25% blood meal was the most efficient in terms of final average weight, daily weight gain, specific growth rate, protein efficiency ratio, survival and total fish production. These results show that fish meal can be replaced completely (100%) by blood meal with no adverse effects no growth, survival and feed conversion of Clarias gariepinus juvenile.