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Digestive Tract Index and Distribution of Digestive Enzymes in Oriental Weatherfish(Misgurnus anguillicaudatus)

CHEN Su-wei 1,2,JI Hong 2,ZHU Wen-dong 1,XIONG Chuan-xi 3,CAO Fu-yu 2(1.Agricultural Department of Ankang University,Ankang 725000,China;2.College of Animal Science and Technology,Northwest Agricultural ﹠Forestry University,Yangling 712100,China;3.Fisheries College,Huazhong Agricultural University,Wuhan 430070,China)  
Digestive tract index and distribution of digestive enzyme in foregut,midgut,hindgut and hepatopancreas of oriental weatherfish(Misgurnus anguillicaudatus)were studied.It was found that the fish had length(IL)/total length(TL) of 0.335±0.006,intestinal weight(IW)/body weight(BW) of 0.021±0.002 and hepatopancreas weight(HW)/BW of 0.015±0.001,similar to many other predatory fish.There were more activities of amylase(45.464±2.442) U/ml,protease(580.515±12.282) U/ml and lipase(28.889±3.849) U/ml in the hepatopancreas than those in the intestine.
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