不同配比饲料对革胡子鲶胃肠消化酶活性的影响

Journal of Tianjin Agricultural University ›› 2013, Vol. 20 ›› Issue (3): 26-28.

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Effects of Different Feeds on Digestive Enzyme Activities in Stomach and Gut of Clarias Lazera

ZHU Guo-xia¹, SUN Xue-liang¹, ZHAO Yun-ying², CHEN Cheng-xun^{1,Corresponding Author}, GUO Yong-jun¹, QIAO Xiu-ting¹

1. Key Laboratary of Aqua-ecology and Aquaculture of Tianjin, Tianjin Agricultural University, Tianjin 300384, China;
2. Dingzheng Animal Pharmaceutical Co. Ltd of Tianjin, Tianjin 300384, China

Received:2013-04-23 Published:2019-10-21

Abstract

Abstract: This experiment was conducted to study the effects of different ratios of feeds on the activities of gastrointestinal digestive enzymes of Clarias Lazera. The protein percentage of artificial feeds of 28%, 33% and 38% was mixed with the fresh mixed feed (chicken intestine) to A, B and C group of three kinds of feed with the ratio of 1:6, 1:5 and 1:4, respectively, and the group D is the chicken intestine feed. One year old Clarias Lazera (initial average weight（32.70±1.39）g) were fed for 51 days in laboratory, and then the activities of the gastrointestinal protease, lipase and amylase were mesured. The results show that the activities of the gastrointestinal protease of Clarias Lazera which were fed with mixed artificial diets increased with the protein level increase in feed, and the activities in the group C and D were higher than those of the group A and B significantly. The amylase activities of all groups in Clarias Lazera were low, but the activities of A, B and C groups in stomach and foregut were higher than those of the D group. The lipase activities of each group had no obvious regularity.

Key words: Clarias Lazera, stomach, intestine, digestive enzyme

CLC Number:

S963

ZHU Guo-xia, SUN Xue-liang, ZHAO Yun-ying, CHEN Cheng-xun, GUO Yong-jun, QIAO Xiu-ting. Effects of Different Feeds on Digestive Enzyme Activities in Stomach and Gut of Clarias Lazera[J]. Journal of Tianjin Agricultural University, 2013, 20(3): 26-28.

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Effects of Different Feeds on Digestive Enzyme Activities in Stomach and Gut of Clarias Lazera

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