Effect of replacement of fish meal by meat and bone meal and poultry by-product.pdf

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Effect of replacement of fish meal by meat and bone meal and poultry by-product.pdf

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Effect of replacement of fish meal by meat and bone meal and poultry by-product

Fish Shellfish Immunology 17 (2004) 105e114 /locate/fsiEffect of replacement of fish meal by meat and bone meal and poultry by-product meal in diets on the growth and immune response of Macrobrachium nipponense Yong Yang, Shouqi Xie), Wu Lei, Xiaoming Zhu, Yunxia Yang State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, The Chinese Academy of Sciences, Wuhan, Hubei 430072, PR China Received 23 July 2003; received in revised form 5 November 2003; accepted 18 November 2003 Abstract The potential use of poultry by-product meal (PBM) and meat and bone meal (MBM) as alternative dietary protein sources for juvenileMacrobrachium nipponense was studied by a 70-day growth trial. Triplicate groups ofM. nipponense (initial body weight: 0.37 g) were fed at 20.7e22.4 (C on each of the five isoenergetic and isonitrogenous diets (protein content about 38%) with different replacement of fish meal by MBM or PBM. The control diet used white fish meal as the sole protein source, the other four diets were prepared with 15% or 50% fish meal protein substituted by either MBM (MBM15, MBM50) or PBM (PBM15, PBM50). The results showed that replacement of fish meal by MBM in diets did not affect growth performance of M. nipponense (P 0:05), while specific growth rate in PBM15 was significantly higher than that in other groups (P! 0:05). Survival rates of shrimp fed with MBM15 diet were significantly higher than that in other groups (P! 0:05). No significant differences in immunological parameters, including total haemocyte count (THC), phenoloxidase activity (PO) and respiratory burst (O2 ), were observed between the shrimps that were fed five experimental diets, and all determined immunological parameters in control groups were slightly higher than those in replacement groups. In conclusion, either MBM or PBM investigated could replace up to 50% fish meal protein in diets for M. nipponense. 2003 Elsevier Ltd. All rights reserved. Keywords: Meat and bo