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《Journal of Anhui Agricultural Sciences》 2009-18
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Study on Suitable Protein Requirement in Feedstuff for Misgurnus anguillcaudatus Juvenile

LUO Yan-ping et al (College of Life Science and Technology of Shanghai Ocean University,Shanghai 200090)  
[Objective] The purpose was to discuss the nutrition requirement of protein in feedstuff for Misgurnus anguillcaudatus Juvenile.[Method] With fish meal and soybean meal as the main protein resources,5 groups of equal fat and equal energy feedstuff with protein levels of 24.18%,29.81%,34.31%,39.68% and 44.81% were prepared for feed the M.anguillcaudatus juvenile with initial weight of 2.3 g.After feeding for 50 d,the specific growth rate,feed efficiency,survival rate and muscle component of M.anguillcaudatus juvenile fed with 5 group feedstuff were measured.[Result] The weight gain rate,feed efficiency and specific growth rate of M.anguillcaudatus juvenile were increased significantly with the increase of the feedstuff protein level,and reached the peak when the fish were fed the feedstuff with 39.68% protein,and then were decreased gradually with the further increases of the protein level.The survival rate of the fish group fed the feedstuff with 24.18% protein was significant lower than that of the fish groups fed with other feedstuffs,but there was no significant difference between other fish groups.Different protein levels had a significant effect on the muscle crude protein and had no significant effect on the muscle crude lipid and moisture.[Conclusion] The suitable dietary protein level for M.anguillcaudatus juvenile was about 34.31%-39.68%.
【Fund】: 上海市重点学科建设项目(Y1101)
【CateGory Index】: S966.4
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