文献类型：期刊文献

中文题名：酵母培养物对肉仔鸡生长性能、肠黏膜结构及肠道菌群的影响

英文题名：Effects of Yeast Culture on Growth Performance,Intestinal Mucosal Structure and Intestinal Microflora of Broilers

作者：肖曼[1];高振华[1];李兴华[2];张少成[1];陈训银[3];张晓慧[1];董爱华[3];曹赞[1];陈广信[1]

机构：[1]广东海洋大学农学院;[2]广西大学动物科学技术学院;[3]广东雅琪生物科技有限公司

年份：2013

卷号：25

期号：7

起止页码：1624

中文期刊名：动物营养学报

外文期刊名：Chinese Journal of Animal Nutrition

收录：CSTPCD、、北大核心2011、北大核心、CSCD、CSCD2013_2014

基金：广东省教育厅人才引进项目资助(粤财教[2009]109号);广东海洋大学教育教学改革项目(XJG201153)

语种：中文

中文关键词：酵母培养物;肉仔鸡;生长性能;肠黏膜结构;肠道菌群

外文关键词：yeast culture, broilers, growth performance, intestinal mucosal structure, intestinal microflora

中文摘要：本试验旨在研究不同水平酵母培养物对肉仔鸡生长性能、肠黏膜结构及肠道菌群的影响。选取240只1日龄健康、体重相近的爱拔益加(AA)肉仔鸡,随机分为6个组,每组4个重复,每个重复10只鸡。对照组(Ⅰ组)饲喂基础饲粮,试验组(Ⅱ～Ⅵ组)分别饲喂在基础饲粮中添加0.05%、0.10%、0.15%、0.20%和0.25%酵母培养物的试验饲粮。试验期21 d。结果表明:1)Ⅴ、Ⅵ组肉仔鸡平均日增重和平均日采食量均显著高于Ⅰ组(P<0.05),各组料重比差异不显著(P>0.05)。2)Ⅴ组肉仔鸡十二指肠、空肠和回肠绒毛高度及绒毛高度/隐窝深度显著高于Ⅰ组(P<0.05),隐窝深度显著低于Ⅰ组(P<0.05)。3)Ⅴ组空肠、回肠和盲肠大肠杆菌数量显著低于Ⅰ组(P<0.05),乳酸杆菌数量显著高于Ⅰ组(P<0.05),各组双歧杆菌数量差异不显著(P>0.05)。结果提示,酵母培养物可调节肠道菌群和改善肠黏膜结构,进而提高生长性能。本试验条件下,1～21日龄肉仔鸡饲粮酵母培养物的适宜添加水平为0.20%。

外文摘要：This experiment was conducted to evaluate the effects of yeast culture on growth performance, intestinal mucosal structure and intestinal microflora of broilers. Two hundred and forty one-day-old Arbor Acre broilers were randomly divided into 6 groups with 4 replicates per group and 10 chicks per replicate. The chicks in control group （group Ⅰ） were fed with a basal diet, and those in experimental groups （groups Ⅱ, Ⅲ, Ⅳ, Ⅴ and Ⅵ） were fed the basal diet supplemented with 0.05%, 0.10%, 0.15%, 0.20% and 0.25% yeast culture, respectively. The experiment lasted for 21 days. The results showed as follows： 1） the average daily gain and average feed intake in groups Ⅴ and Ⅵ were significantly higher than those in control group （P〈0.05）, and there was no significant difference in feed/gain among all groups （P〉0.05）. 2） Compared with the control group, the villus height and villus height to crypt depth ratio （V/C） in duodenum, jejunum and ileum in group Ⅴ were significantly increased （P〈0.05）, while the crypt depth was significantly decreased （P〈0.05）. 3） The number of Escherichia coli in jejunum, ileum and cecum in group Ⅴ was significantly lower than that in control group （P〈0.05）, while the number of Lactobacillus was significantly higher than that in control group （P〈0.05）, and there was no significant difference in the number of Bifidobacterium among all groups （P〉0.05）. The results indicate that yeast culture has the functions of regulating intestinal microflora and intestinal mucosal structure, and improving the growth performance. The appropriate supplemental level of yeast culture of broilers aged 1 to 21 days is 0.20% under the condition of this experiment.