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EVALUATION OF EFFECT OF SUGARCANE MOLASSES IN PRACTICAL DIET ON AQUACULTURE PERFORMANCE OF GIFT NILE TILAPIA(OREOCHROMIS NILOTICUS) JUVENILE IN SIMULATED POND
Author(s): 
Pages: 1636-1641
Year: Issue:  6
Journal: Oceanologia et Limnologia Sinica

Keyword:  Oreochromis niloticusdietsugarcane molassespondaquaculture;
Abstract: The effect of practical diet’s sugarcane molasses on aquaculture performance in GIFT Nile tilapia(Oreochromis niloticus) Juvenile under simulated pond environment was researched in this paper. Six isonitrogenous(34.8%) and isoenergetic(16.4MJ/kg) formulated diets were designed in which the control group contained 20% wheat middling(WM) in diet and WM were replaced by sugarcane molasses(SM) progressively with the level of 20%, 40%, 60%, 80% and 100% as test groups 1, 2, 3, 4 and 5, respectively. Each diet was fed to 90 fish [(6.6±0.1)g; mean±SE] for 56 days in triplicate cement pools, random arranged in pools of an outdoor with simulated pond environment system. The experimental results showed that no significant difference with feed intake(FI) and specific growth rate(SGR) was found among the fish in control group and test group 1—4(P>0.05), but the both indexes of fish in test group 5 were lower than fish in control group significantly(P<0.05). Otherwise, no significant difference with feed effectiveness rate, approximate composition of carcass, viscerasomatic indices and main indexes of water quality in ponds was found among the fish in control group and test group 1—2(P>0.05). The experiment results consider that under the simulation environment in the pond farming, 40% WM in practice diet of GIFT Nile tilapia juvenile could be replaced by SM, namely allowed additive amount of SM in practice diet should be ≤8%.
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