日粮中添加复合微生态制剂对蛋种鸡肠道pH及微生物的影响

›› 2012, Vol. 39 ›› Issue (5): 86-90.

日粮中添加复合微生态制剂对蛋种鸡肠道pH及微生物的影响

金鹿¹, 杨晓虹¹, 任景乐², 李俊良¹, 郭晓宇¹, 郑颖辉³

1. 内蒙古农业大学动物科学学院, 内蒙古呼和浩特 010018;2. 青岛畜牧兽医研究所奥特种鸡场, 山东即墨 266227;3. 山东益生源微生物技术有限公司, 山东潍坊 262704

收稿日期:2011-11-11 修回日期:1900-01-01 出版日期:2012-05-20 发布日期:2012-05-20
通讯作者: 杨晓虹

Effects of Composite Probiotics on pH Value and Microflora in the Intestine of Layer Breeders

JIN Lu¹, YANG Xiao-hong¹, REN Jin-le², LI Jun-liang¹, GUO Xiao-yu¹, ZHENG Yin-hui³

1. College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China;2. Ott Breeders Farm, Qingdao Institute of Animal Science and Veterinary Medicine, Jimo 266227, China;3. Shandong Yishengyuan Microbialtechnology Ltd., Weifang 262704, China

Received:2011-11-11 Revised:1900-01-01 Online:2012-05-20 Published:2012-05-20

摘要/Abstract

摘要： 研究日粮中添加复合微生态制剂对蛋种鸡小肠肠道长度、pH及盲肠微生物的影响,试验选用1日龄海兰褐蛋种鸡320只,随机分为4个组,进行16周的试验。试验组日粮是在对照组日粮基础上分别添加50、100、200 g/t的复合微生态制剂组成。试验结果表明:① 与对照组相比, 21日龄时,添加复合微生态制剂组显著降低了蛋种鸡十二指肠、空肠、回肠的相对长度(P<0.05);42日龄时,试验2组的回肠相对长度显著低于对照组(P<0.05); 112日龄时, 试验1组空肠和回肠的相对长度显著低于对照组 (P<0.05),试验3组十二指肠的相对长度显著低于对照组(P<0.05)。②试验1、2组蛋种鸡21日龄空肠和回肠的pH显著低于对照组(P<0.05),试验3组蛋种鸡21、42、112日龄十二指肠、42日龄空肠的pH也显著降低 (P<0.05) 。③添加复合微生态制剂可显著提高蛋种鸡21日龄盲肠乳酸菌的数量(P<0.05),其中试验2组乳酸菌的数量最多,与对照组相比,提高了11.76%,其次是试验3组和试验1组;添加复合微生态制剂对于42和112日龄蛋种鸡的盲肠微生物无显著影响。结果提示,日粮中添加复合微生态制剂能缩短蛋种鸡小肠肠道相对长度,同时降低肠道pH并能改善肠道菌群,对雏鸡的健康生长有促进作用。本试验中添加100 g/t的复合微生态制剂为适宜添加量。

关键词: 复合微生态制剂; 蛋种鸡; 肠道长度; 肠道pH; 微生物

Abstract: This study was designed to investigate effects of supplementation of composite probiotics on the length of intestine, pH value and microflora in the cecal of Layer Breeders. A total of 320 one-day-old Hy-Line brown parents were randomly divided into four groups,each group was assigned 4 replications and 20 layers per replication. Control group feeding basal diet, test 1, 2, 3 groups in the basal diet were added 50, 100, 200 g/t of composite probiotics. The results showed that:① Compared with the control group, on 21 days of age, duodenum, jejunum, ileum relative length was significantly lower in add compound probiotics group breeder (P<0.05); 42 days of age, test 2 group significantly reduced the relative length of the ileum (P<0.05); 112 days of age, the relative length of the jejunum and ileum compared with the control group was significantly shorter in test 1 group (P<0.05), test 3 group relative length of the duodenum was significantly shorter (P<0.05). ② test 1, 2 group, on 21-day-old, jejunum and ileum of the pH value was significantly lower than the control group (P<0.05), test 3 group PH value of the duodenum on 21,42,112-day-old and the jejunum on 42 day-old was significantly lower (P<0.05). ③ Adding compound probiotics could significantly increased the number of cecal lactic acid bacteria in 21-day-old breeders, (P<0.05), which test 2 group was the largest number of lactic acid bacteria, compared with the control group, increased 11.76%, followed by the test 1, 3 groups; adding probiotics for 42 days and 112-day-old chicken of the cecal microbial were no significant effect. The results indicated that, feed composite probiotics could reduce the relative length of small intestine, reduce the intestinal pH value and can improve the intestinal flora so that to promote healthy growth of the layer breeders. In this experiment to add 100 g/t of composite probiotics is preparation for appropriate amount added.

Key words: composite probiotics; layer breeders; the length of intestine; pH of intestine; microflora

中图分类号:

S816.7

金鹿;杨晓虹;任景乐;李俊良;郭晓宇;郑颖辉. 日粮中添加复合微生态制剂对蛋种鸡肠道pH及微生物的影响[J]. , 2012, 39(5): 86-90.

JIN Lu;YANG Xiao-hong;REN Jin-le;LI Jun-liang;GUO Xiao-yu;ZHENG Yin-hui. Effects of Composite Probiotics on pH Value and Microflora in the Intestine of Layer Breeders[J]. , 2012, 39(5): 86-90.

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