摘要
目的:研究半胱胺盐酸盐在黄河鲤鱼实际应用中的安全性。方法:选取健康均匀的黄河鲤320尾分为4组,分别在基础日粮中添加0、50mg/kg、100mg/kg、200mg/kg的半胱胺盐酸盐,试验处理10d后测定CSH对鲤鱼肠道和肝胰脏消化酶活性及消化道黏膜结构影响。结果:CSH提高了肠道和肝胰脏蛋白酶、淀粉酶的活性;低剂量的CSH显著地增加了中肠黏膜的长度,减少了前肠肌层的厚度(P<0.05),对于肠绒毛的宽度影响效果不显著(P>0.05),当剂量超过200mg/kg时肠道黏膜结构受损。结论:在一定范围内黄河鲤鱼日粮中添加半胱胺盐酸盐可以改善消化功能,以100mg/kg为上限。
Objective：The trial was conducted with 320 healthy carps to study the effect of CSH on the digestive enzyme activity and structure of gastrointestinal, and the mechanism has been discussed. Method： 320 healthy Yellow River carp were divided into four groups radomly, 0,50mg/kg, 100mg/kg,200mg/kg of cysteamine hydrochloride （CSH） were added in the basic diet. Result： CSH increased protease and amylase activity of intestinal and liver-pancreas significantly,Low doses of CSH increased the lengh of the intestinal villi significantly （P〈0.05）,and reduced the thickness of the muscle （P〈0.05） ,When the dose was more than 200mg/kg the intestinal mucosa structural was damaged. Conclusion：CSH can improve indicators of digestion, and the group of 100mg/kg CSH was the best-performing group.
出处
《生物技术》
CAS
CSCD
北大核心
2009年第2期18-20,共3页
Biotechnology
基金
山东省教育厅项目(J07WJ47)资助
关键词
半胱胺
黄河鲤鱼
消化酶
肠显微结构
cysteamine hydrochloride,carps,digestive enzymes,gastrointestinal structure
