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RESEARCH PAPER
Year : 2015  |  Volume : 4  |  Issue : 1  |  Page : 107-113

Studies on the effect of different dietary protein levels of soyabean meal on growth, survival and carcass composition oflitopenaeus vannamei (Boone, 1931)


1 Department of Aquaculture, Faculty of Fishery Sciences, WBUAFS, 5-Budherhat Road, Panchasayar, Kolkata, India
2 Fisheries Research Station, Sri Venkateswara Veterinary University, Palair, Khammam District, India
3 Department of Fishery Resource Management, WBUAFS, 5-Budherhat Road, Panchasayar, Kolkata, India

Correspondence Address:
Bhanu prakash Ch
Department of Aquaculture, Faculty of Fishery Sciences, WBUAFS, 5-Budherhat Road, Panchasayar, Kolkata
India
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Source of Support: None, Conflict of Interest: None


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Present study was undertaken to study Soybean meal (SBM) of different protein levels (25%, 30% and 35%) were used in the experiment. The experiments were conducted for 56 days in aquaria. Triplicates were maintained for each of the treatment. Feed was given 3 times a day @ 5% of body weight. The growth performance of L. vannamei was found to be best when fed with diet SBM30 (7.41gm) and the highest average weight gain of 0.79gm was achieved by the 56th day. Specific growth rate was highest (1.770) and survival rate (70%) was best in shrimps fed on SBM30. The shrimps fed on SBM30 diet showed the best FCR of 3.28. Carcass composition of L. vannamei showed the highest protein content (76.9%), highest ether extract (2.3%) and crude fibre content (4.2%). Ash content (7.8%) was high in shrimps fed with SBM30 diet and low during initial sampling (3.7%).


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