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Effects of Chinese Herbal Formula on the Growth Performance,Muscle Composition and Serum Non-specific Immunity of Grass Carp

TIAN Juan et al (College of Fisheries and Life Science,Shanghai Ocean University,Shanghai 200090)  
Three kinds of Chinese herbal formula(Fulexing Ⅰ,Fulexing Ⅱ and Fulexing Ⅲ)at 1 500 mg/kg were added to the basic diet(control group).Four treatment groups were set up to feed Ctenopharyngodon idellus with the average weight of(134.3±12.1) g.With the indices of weight gain rate,feed conversion rate(FCR),basic muscle composition,blood superoxide dismutase(SOD),lysozyme(LSZ),alkaline phosphatase(AKP) and butyrocholinesterase(BCHE) as the judging criterion,the effects of Chinese herbal formula on the growth performance,muscle composition and serum non-specific immunity of C.idellus were investigated.The results showed that the weight gain rate in each group were 156.29%,164.32%,161.28% and 146.72% respectively after feeding 8 weeks.Compared with control group,the weight gain rate in the group of adding Fulexing Ⅰ increased by 5.14%(P0.05).In the group of adding Fulexing Ⅲ,the weight gain rate decreased by 6.87%(P0.05) and FCR increased by 6.58%(P0.05).Adding Fulexing Ⅱ had no significant egffect on the weight gain rate(P0.05).Different treatments had no significant effect on the basic muscle composition of C.idellus(P0.05).From the aspect of serum non-specific immune indices,Fulexing Ⅰ had no significant effect on SOD,LSZ and BCHE(P0.05).While the activities of serum SOD,LSZ and BCHE in the groups of adding Fulexing Ⅱ and Fulexing Ⅲ increased at different degree and AKP activity significantly decreased(P0.05).The research indicated that Fulexing Ⅰ had a good promotion effect on the growth of C.idellus and had no effect on the serum non-specific immune indices of C.idellus.Fulexing Ⅱ and Fulexing Ⅲ could improve the non-specific immunity of C.idellus,but Fulexing Ⅲ also decreased the growth performance of C.idellus.
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