高精料日粮中添加酿酒酵母培养物对奶牛泌乳后期产奶量及乳成分的影响

doi:10.14088/j.cnki.issn0439-8114.2019.24.045

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (24): 184-186.doi: 10.14088/j.cnki.issn0439-8114.2019.24.045

高精料日粮中添加酿酒酵母培养物对奶牛泌乳后期产奶量及乳成分的影响

项性龙¹, 胡芳¹, 叶日松¹, 吕晋之², 姜勋平³

1.路德环境科技股份有限公司-路德生物环保技术有限公司,武汉 430070;
2.枝江市畜牧兽医局,湖北枝江 443200;
3.华中农业大学动物科技学院,武汉 430070

收稿日期:2019-01-18 出版日期:2019-12-25 发布日期:2019-12-25
通讯作者: 姜勋平,男,教授,博士生导师,（电话）13871383048（电子信箱）xpjiang@mail.hzau.edu.cn
作者简介:项性龙（1988-）,男,安徽霍山人,畜牧师,硕士,主要从事生物饲料应用效果的研究,（电话）17755175427（电子信箱）iangxinglong219@126.com

Effect of saccharomyces cerevisiae culture on milk yield and milk composition of dairy cows in late lactation

XIANG Xing-long¹, HU Fang¹, YE Ri-song¹, LVU Jin-zhi², JIANG Xun-ping³

1.Road Environment Polytron Technologies Inc-Road Biological Environmental Protection Technology Co.,Ltd.,Wuhan 430070,China;
2.Zhijiang Animal Husbandry and Veterinary Bureau,Zhijiang 443200,Hubei,China;
3.College of Animal Science and Technology,Huazhong Agricultural University,Wuhan 430070,China

Received:2019-01-18 Online:2019-12-25 Published:2019-12-25

摘要/Abstract

摘要： 为研究高精料日粮中添加酿酒酵母培养物对荷斯坦奶牛泌乳后期产奶量及乳成分的影响,试验选取254头健康、泌乳天数相近的荷斯坦奶牛作为试验动物,将其随机分成A、B两组进行饲喂,A组为添加4%酵母培养物日粮组,B组为基础日粮组。结果表明,高精料日粮中添加酿酒酵母培养物的试验组奶牛产奶量下降幅度显著低于对照组（P<0.05）,试验组产奶量下降幅度1.55%,对照组下降4.89%。此外,试验组乳蛋白及乳脂肪的含量增长趋势高于对照组,试验组乳蛋白增幅3.19%,对照组增幅仅为0.32%;而试验组乳脂肪增幅4.99%,对照组增幅为3.67%。说明高精料日粮中添加酿酒酵母培养物可以提高荷斯坦奶牛饲料转化效率,间接提高奶牛泌乳后期的产奶量,延长泌乳周期,显著提高乳蛋白和乳脂肪含量。

关键词: 酿酒酵母培养物, 泌乳后期, 产奶量, 乳成分, 奶牛

Abstract: For studying the effects of saccharomyces cerevisiae culture on milk yield and milk composition of Holstein dairy cows in late lactation, 254 healthy Holstein cows with similar lactation days were randomly divided into two groups A and B. Group A was fed with 4% saccharomyces cerevisiae culture and group B was fed with basic high concentrate diet. The results showed that the descent rate of milk yield of the experimental group A with saccharomyces cerevisiae culture was significantly lower than that of the control group B. The milk yield of the experimental group decreased by 1.55% and control group decreased by 4.89%. In addition, the increase of milk protein and milk fat content in the experimental group was 3.19%, and 4.99%, respectively, which was higher than that in the control group（0.32% and 3.67%, respectively）. It suggested that adding saccharomyces cerevisiae culture to high-concentrate diet could improve feed conversion efficiency, indirectly increase milk production in late lactation stage, prolong lactation cycle, and significantly increase milk protein and milk fat content.

Key words: saccharomyces cerevisiae culture, late lactation, milk yield, milk composition, dairy cows

中图分类号:

中文分类号：S816.6 文献标识码：A

项性龙, 胡芳, 叶日松, 吕晋之, 姜勋平. 高精料日粮中添加酿酒酵母培养物对奶牛泌乳后期产奶量及乳成分的影响[J]. 湖北农业科学, 2019, 58(24): 184-186.

XIANG Xing-long, HU Fang, YE Ri-song, LVU Jin-zhi, JIANG Xun-ping. Effect of saccharomyces cerevisiae culture on milk yield and milk composition of dairy cows in late lactation[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(24): 184-186.

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高精料日粮中添加酿酒酵母培养物对奶牛泌乳后期产奶量及乳成分的影响

Effect of saccharomyces cerevisiae culture on milk yield and milk composition of dairy cows in late lactation

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