动物营养学报 >

2021 , Vol. 33 >Issue 5: 2949 - 2956

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.05.052

研究简报 SHORT COMMUNICATION

饲粮中添加活性干酵母对断奶仔猪生长性能、营养物质表观消化率和血清免疫指标的影响

  • 王铎 ,
  • 梁光哲 ,
  • 张晓燕 ,
  • 张倚剑 ,
  • 罗世乾 ,
  • 梁明振
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  • 1. 广西大学动物科学技术学院, 南宁 530004;
    2. 广西宜坤奇饲料有限公司, 南宁 530001
王铎(1996-),男,安徽淮南人,硕士研究生,动物营养与饲料科学专业。E-mail:wangduo0124@163.com

收稿日期: 2020-09-30

  网络出版日期: 2021-05-14

基金资助

广西自然科学基金项目（2015GXNSFAA139061）；广西科技重大专项（桂科AA1811021-3）

收起

Effects of Dietary Active Dry Yeast on Growth Performance, Nutrient Apparent Digestibilities and Serum Immune Indexes of Weaned Piglets

  • WANG Duo ,
  • LIANG Guangzhe ,
  • ZHANG Xiaoyan ,
  • ZHANG Yijian ,
  • LUO Shiqian ,
  • LIANG Mingzhen
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  • 1. College of Animal Science and Technology, Guangxi University, Nanning 530004, China;
    2. Guangxi Yikunqi Feed Limited Company, Nanning 530001, China

Received date: 2020-09-30

  Online published: 2021-05-14

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摘要

本试验旨在研究饲粮中添加活性干酵母对断奶仔猪生长性能、营养物质表观消化率和血清免疫指标的影响。试验选择35日龄、体重为（8.2±0.3）kg的健康杜长大断奶仔猪330头，采用完全随机试验设计分成5组，每组3个重复，每个重复22头（公母各占1/2）。对照组饲喂基础饲粮；试验1、2组在基础饲粮中分别添加1、2 g/kg酿酒活性干酵母；试验3、4组在基础饲粮中分别添加0.5、1.0 g/kg布拉迪活性干酵母。预试期7 d，正试期30 d。结果表明：1）与对照组相比，试验组断奶仔猪的平均日采食量和平均日增重极显著提高（P<0.01），试验1、3组腹泻率分别显著降低了1.45%、1.44%（P<0.05）。2）与对照组相比，各试验组营养物质表观消化率有所提高，但未达到显著效果（P>0.05）。3）与对照组相比，试验1、3组血清免疫球蛋白M含量分别显著提高了26%和34%（P<0.05）。综上所述，在本试验条件下，饲粮中添加1 g/kg的酿酒活性干酵母及0.5 g/kg布拉迪活性干酵母时，可以在一定程度上起到降低断奶仔猪腹泻、提高断奶仔猪的生长性能和免疫功能的作用，对营养物质表观消化率有所提高，但未达到显著效果。

关键词： 活性干酵母; 断奶仔猪; 生长性能; 表观消化率; 免疫指标

本文引用格式

王铎 , 梁光哲 , 张晓燕 , 张倚剑 , 罗世乾 , 梁明振 . 饲粮中添加活性干酵母对断奶仔猪生长性能、营养物质表观消化率和血清免疫指标的影响[J]. 动物营养学报, 2021 , 33(5) : 2949 -2956 . DOI: 10.3969/j.issn.1006-267x.2021.05.052

Abstract

This experiment was conducted to evaluate the effects of dietary active dry yeast on growth performance, nutrient apparent digestibilities and serum immune indexes of weaned piglets. A total of 330 healthy weaned piglets (Duroc×Landrace×Yorkshire) with a body weight of (8.2±0.3) kg at 35 days of age were selected and divided into 5 groups with 3 replicates in each group and 22 piglets in each replicate (half male and half female). The control group was fed a basic diet. In test groups 1 and 2, 1 and 2 g/kg of active dry leavening yeast were added respectively, while in test groups 3 and 4, 0.5 and 1.0 g/kg of Brady active dry yeast were added respectively. The pre-experimental period lasted for 7 days, and the experimental period lasted for 30 days. The results showed as follows:1) compared with the control group, the average daily feed intake and average daily gain of weaned piglets in the test groups were significantly increased (P<0.01), and the diarrhea rate in the test groups 1 and 3 were significantly reduced by 1.45% and 1.44% (P<0.05). 2)Compared with the control group, the nutrient apparent digestibilities of each test group were improved (P>0.05). 3) Compared with the control group, serum immunoglobulin M content in test groups 1 and 3 was significantly increased by 26% and 34% (P<0.05), respectively. In summary, under the conditions of this experiment, when 1 g/kg active dry leavening yeast and 0.5 g/kg Brady active dry yeast are added to the diet, it can reduce the diarrhea rate of weaned piglets, the growth performance and immune ability of weaned piglets can be improved. The apparent digestibility of nutrients is improved, but the effect is not significant.

Key words： active dry yeast; weaned piglets; growth performance; apparent digestibility; immune indexes

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