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刺五加提取物对断奶仔猪氨基酸消化吸收的影响

ISSN号：2095-6134
期刊名称：《中国科学院大学学报》
时间：0
分类：S853.7[农业科学—临床兽医学;农业科学—兽医学;农业科学—畜牧兽医]
作者机构：[1]中国科学院亚热带农业生态研究所动物生态营养与人类健康联合实验室,长沙410125, [2]中国科学院研究生院,北京100049, [3]湖南广安生物科技有限公司,长沙410129, [4]广州天科科技有限公司,广州510627
相关基金：国家自然科学基金项目（30771558;30700581;30671517;30528006;30371038）、中国科学院知识创新重要方向项目（KSCX2-YW-N-022;KSCX2-SW-323）资助

作者：尹富贵[1,2], 孔祥峰[1], 印遇龙[1], 何庆华[1,2], 刘合军[1], 黄瑞林[1], 谭碧娥[1,2], 陈立祥, 高碧

关键词：刺五加提取物, 断奶仔猪, 氨基酸, acanthopanax senticosus extracts, weaned piglets, amino acid

中文摘要：

试验选用体重相近的21d龄断奶的三元杂交仔猪60头，按完全区组设计分为3个处理．处理l饲喂添加0．10％刺五加提取物日粮；处理2饲喂添加0．02％硫酸粘杆菌素日粮；处理3饲喂基础日粮．分别于添加后第7d、14d和28d每个处理随机取5头试猪，前腔静脉采血，测定血清游离氨基酸含量；采血后的试猪经麻醉处死，取回肠末端食糜测定其中的氨基酸含量．结果表明，随着饲喂时间的延长，刺五加提取物显著提高仔猪血清中游离氨基酸的含量，降低回肠食糜中氨基酸的含量．提示刺五加提取物可促进断奶仔猪对蛋白质的消化，增加小肠对氨基酸的吸收，有助于仔猪的生长．

英文摘要：

This experiment was conducted to study the effects of acanthopanax senticosus （AS） extracts as dietary additive on digestion and absorption of protein or amino acids in weaned piglets. Sixty three-way crossbred piglets weaned at 21 days of age were randomly assigned to 3 treatment groups, representing supplementation with 0 or lg/kg of AS extracts, or 0.2g/kg of colistin to maize- and soybean meal-based diets （ n = 20 per group）. Blood samples of 5 piglets per group were randomly collected on days 7, 14 and 28 after initiation of the addition to determine serum contents of free amino acids, then digesta at terminal ileum was collected to analyze the contents of amino acids after the sampled piglets were sacrificed. The results showed that the serum contents of amino acids in tb.e extracts-supplemented group were gradually increased and digesta amino acid contents were gradually reduced at the same time as the experiment proceeds when compared with the other 2 groups. These findings indicated that the AS extracts could enhance the ability of digestion and absorption of protein or amino acids, then improve the growth performance in weaned piglets.

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