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《Journal of Anhui Agricultural Sciences》 2008-35
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Effect of Colorant in Feed on Growth and Digestive Enzyme Activities of Pelteobagrus fulvidraco

YANG Wen-ping et al(College of Chemistry and Biology Engineering,Yancheng Institute of Technology,Yancheng,Jiangsu 224003)  
[Objective] The study aimed to discuss the regulation mechanism of adding colorant in feed on the digestive function of Pelteobagrus fulvidraco.[Method]450 fishes of P.fulvidraco,being clinical healthy and having even weight(10.4±0.1)g,were selected and divided into 5 groups randomly,which were added by colorant(Leader gold yellow,LGY) at 0,0.1%,0.2%,0.4%,0.8% resp.on base of feeding the basic diet and tested for 60 days.[Result]The addition of 0.8% LGY could increase the survival rate of P.fulvidraco significantly.When LGY were 0.4%-0.8%,the fish SGR,Bowel/body,Hepatopancreas/body and pepsin activities of P.fulvidraco were higher than those of CK group,but they had no significant difference with CK group.The addition of 0.8% LGY could increase the protease activities of intestine in P.fulvidraco extremely significantly.But the addition of LGY had no significant effect on the protease activities of hepatopancreas in P.fulvidraco.0.8% LGY could increase the amylase activities of stomach,intestine and hepatopancreas extremely significantly,and increase lipase activities of intestine and hepatopancreas in P.fulvidraco,but it had some increment for stomach lipase activities without significant.[Conclusion] This study provided the theoretical basis for preparing compound feed of commercial P.fulvidraco.
【Fund】: 盐城工学院研究生科研启动基金
【CateGory Index】: S963
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