动物营养学报 >

2014 , Vol. 26 >Issue 2: 445 - 452

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.02.021

饲料营养 Feed Science and Technology

益生菌对断奶仔猪生长性能、免疫器官指数及胃肠道pH的影响

  • 周盟 ,
  • 张乃锋 ,
  • 董晓丽 ,
  • 王黎文 ,
  • 屠焰 ,
  • 纪守坤 ,
  • 张立霞 ,
  • 崔祥 ,
  • 楼灿 ,
  • 刁其玉
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  • 1. 中国农业科学院饲料研究所, 北京 100081;
    2. 新疆农业大学动物科学学院, 乌鲁木齐 830052;
    3. 全国畜牧兽医总站, 北京 100081

收稿日期: 2013-08-10

  网络出版日期: 2014-01-27

基金资助

农业部引进国际先进农业科学技术重点项目“低碳氮排放的饲料高效利用技术引进与研发”（2011-G7）；现代农业产业技术体系北京市创新团队专项资金

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Effects of Probiotics on Growth Performance, Immune Organ Indexes and Gastrointestinal pH of Weaner Piglets

  • ZHOU Meng ,
  • ZHANG Naifeng ,
  • DONG Xiaoli ,
  • WANG Liwen ,
  • TU Yan ,
  • JI Shoukun ,
  • ZHANG Lixia ,
  • CUI Xiang ,
  • LOU Can ,
  • DIAO Qiyu
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  • 1. Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
    2. College of Animal Science, Xinjiang Agricultural University, Urumchi 830052, China;
    3. Station of Animal and Veterinary of China, Beijing 100081, China

Received date: 2013-08-10

  Online published: 2014-01-27

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摘要

本试验旨在研究益生菌（植物乳杆菌、枯草芽孢杆菌及其复合菌）对断奶仔猪生长性能、免疫器官指数及胃肠道pH的影响。选择128头断奶仔猪分为4个组，即对照组（CT）、植物乳杆菌组（LB）、枯草芽孢杆菌组（BS）及复合菌组（LBS），每个组4个重复，每个重复8头仔猪，试验期为35 d。结果显示：1）在试验的前2周，各组断奶仔猪的平均日增重无显著差异（P>0.05），但植物乳杆菌组、枯草芽孢杆菌组和复合菌组平均日采食量和料重比分别比对照组降低了23.27%、20.61%、15.39%和24.75%、24.75%、23.23%（P<0.05）；在试验3~5周，各组断奶仔猪平均日增重、平均日采食量和料重比差异不显著（P>0.05）。2）复合菌组在试验的前2周肝脏指数比对照组显著提高了13.75%（P<0.05），胃、十二指肠的pH分别比对照组显著降低了33.93%和16.5%（P<0.05）。由此可见，益生菌在仔猪断奶的前期具有改善仔猪生长性能、节约饲料成本、维持肠道健康的作用，但在随着断奶以后时间的推移，其作用效果减弱。

关键词： 断奶仔猪; 益生菌; 生长性能; 免疫器官指数

本文引用格式

周盟 , 张乃锋 , 董晓丽 , 王黎文 , 屠焰 , 纪守坤 , 张立霞 , 崔祥 , 楼灿 , 刁其玉 . 益生菌对断奶仔猪生长性能、免疫器官指数及胃肠道pH的影响[J]. 动物营养学报, 2014 , 26(2) : 445 -452 . DOI: 10.3969/j.issn.1006-267x.2014.02.021

Abstract

This experiment was conducted to study the effects of probiotics (Lactobacillus plantarum, Bacillus subtilisand and their complex-probiotics) on growth performance, immune organ indexes and gastrointestinal pH of weaner piglets. A total of 128 weaner piglets were divided into 4 groups with 4 replicates per group and 8 piglets per replicate. The 4 groups were control group (CT), Lactobacillus plantarum group (LB), Bacillus subtilisand group (BS) and complex-probiotics group (LBS), respectively. The experiment lasted for 35 days. The results showed as follows: 1) in the first 2 weeks of experiment, there was no significant difference in average daily gain of weaner piglets among all groups (P>0.05), however, compared with CT, the average daily feed intake and the ratio of feed to gain in LB, BS and LBS were significantly decreased by 23.27%, 20.61%, 15.39% and 24.75%, 24.75%, 23.23% (P<0.05), respectively. In the 3 to 5 weeks of experiment, there was no significant difference in average daily gain, average daily feed intake and the ratio of feed to gain of weaner piglets among all groups (P>0.05). 2) In the first 2 weeks of experiment, compared with CT, the liver index in LBS was significantly increased by 13.75% (P<0.05), the pH of stomach and duodenum was significantly decreased by 33.93% and 16.5% (P<0.05), respectively. It is concluded that probiotics can improve the growth performance, reduce feed cost and maintain healthy of weaner piglets during the early period, however, the effects will be weakened as the time go on.

Key words： weaner piglets; probiotics; growth performance; immune organ indexes

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