中国乳业 ›› 2021, Vol. 0 ›› Issue (9): 74-78.doi: 10.12377/1671-4393.21.09.12

• 饲养管理 • 上一篇    下一篇

奶牛瘤胃发酵性能与产奶量的相关性分析

逄世龙1, 司海锋2, 侯杰3, 张文晔4, 逄国梁5,*   

  1. 1 西北农林科技大学动物科技学院,陕西杨凌 712100;
    2 武功县动物卫生监督所,陕西咸阳 712200;
    3 山西晋中市综合检验检测中心,山西晋中 0306065;
    4 陕西石羊农业科技股份有限公司,陕西西安 710016;
    5 陕西省畜牧技术推广总站,陕西西安 710016
  • 出版日期:2021-09-25 发布日期:2021-09-29
  • 通讯作者: *逄国梁（1968-）,男,陕西西安人,本科,高级兽医师,研究方向为奶牛营养。
  • 作者简介:逄世龙（2000-）,男,陕西西安人,本科,研究方向为奶牛营养;司海锋（1981-）,男,陕西咸阳人,本科,兽医师,研究方向为动物卫生;侯 杰（1984-）,男,山西晋中人,硕士,高级畜牧师,研究方向为动物营养;张文晔（1978-）,男,陕西西安人,博士,高级畜牧师,研究方向为动物营养。

The Correlation of Rumen Fermentation Performance and Milk Yield of Dairy Cows

PANG Shilong1, SI Haifeng2, HOU Jie2, ZHANG Wenye2, PANG Guoliang5,*   

  1. 1College of Animal Science and Technology,Northwest A & F University, Yangling Shaanxi 712100;;
    2Wugong Animal Health Supervision Institute,Xianyang Shaanxi 712200;
    3Jinzhong Comprehensive Inspection and Testing Center,Jinzhong Shanxi 0306065;
    4Shaanxi Shiyang Agricultural Technology Co.,Ltd.,Xi'an Shaanxi 710016;
    5Shaanxi Animal Husbandry Technology Promotion Station,Xi'an Shaanxi 710016
  • Online:2021-09-25 Published:2021-09-29

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摘要： 通过奶牛产奶量与瘤胃发酵指标的相关性分析,揭示奶牛瘤胃发酵性能对产奶量的影响。试验选取189 头荷斯坦泌乳牛,记录产奶量,采集瘤胃液,分别检测氨氮（NH3-N）和挥发性脂肪酸（VFA）含量。结果表明,NH3-N与产奶量无显著相关性（P>0.05）,丙酸的百分含量和产奶量极显著正相关（P<0.01）,乙酸和异丁酸的百分含量与产奶量显著负相关（P<0.05）。由此可见,奶牛的瘤胃发酵性能与产奶量密切相关。

关键词: 瘤胃发酵, 产奶量, 相关性分析

Abstract: The purpose of this experiment was to reveal the influence of rumen fermentation performance on milk yield by analyzing the correlation of milk yield and rumen fermentation indexes. Milk yield and rumen fluid of 189 Holstein lactating dairy cows were recorded,the contents of NH3-N and volatile fatty acids were determined respectively. The results showed that there was no correlative between NH3-N and milk yield （P>0.05）,the percentage of propionate was positively correlated with milk yield （P<0.01）,and the percentage of acetate and isobutyrate was negatively correlated with milk yield （P<0.05）. In conclusion,rumen fermentation performance of dairy cows is closely related to milk yield.

Key words: rumen fermentation, milk yield, correlation analysis

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