热应激对干奶期奶牛甲烷排放量的影响

›› 2012, Vol. 39 ›› Issue (7): 234-237.

热应激对干奶期奶牛甲烷排放量的影响

王小林^1,2, 张丹凤³, 卜登攀¹, 周凌云¹, 孙鹏¹, 杨红建⁴

1. 中国农业科学院北京畜牧兽医研究所,动物营养学国家重点实验室,北京 100193;
2. 新疆农业大学动物科学学院,新疆乌鲁木齐 830052;
3. 中国农业大学生命科学学院,北京 100193;
4. 中国农业大学动物科技学院,北京 100193

收稿日期:2011-10-22 出版日期:2012-07-20 发布日期:2012-07-16
通讯作者: 周凌云(1977－),女,北京人,助理研究员,研究方向:反刍动物营养与饲料科学。Tel:010-62813901
作者简介:王小林(1986-),男,硕士生,四川人,研究方向:反刍动物营养与饲料科学。
基金资助:
中国科学院知识创新工程重要方向项目(XDA01010301)。

The Effect of Heat Stress on Methane Emissions in Dry Period Cows

WANG Xiao-lin^1,2, ZHANG Dan-feng³, BU Deng-pan¹, ZHOU Ling-yun¹, SUN Peng¹, YANG Hong-jian⁴

1. State Key Laboratory of Animal Nutrition,Institute of Animal Science Chinese Acedemy Agricuhura Sciences, Beijing 100193,China;
2. College of Animal Science,Xinjiang Agricultural University,Urumqi 830052,China;
3. College of Animal Science,China Agricultural University, Beijing 100193, China;
4. College of Animal Science and Technology,China Agricultural University,Beijing 100193, China

Received:2011-10-22 Online:2012-07-20 Published:2012-07-16

摘要/Abstract

摘要： 试验旨在研究不同程度热应激水平对奶牛甲烷排放量的影响。试验选用4头处于干奶期的经产中国荷斯坦奶牛,采用4×4拉丁方设计,利用环境控制舱检测温湿度指数(THI)在66、72、78和84条件下甲烷的产生量。结果表明,当奶牛处于应激状态时,CO₂和CH₄排放量均显著下降;单位饲料干物质所产生的甲烷量显著升高。因此,干奶期奶牛在热应激条件下,甲烷排放量显著下降。

关键词: 热应激; 甲烷; 干奶期奶牛

Abstract: This study is to explore heat stress on the methane emissions of cows. Four dry period Chinese Holstein cows were selected in this study. According to 4?4 Latin square design,environment chamber was used for checking methane generation under the conditions of the temperature and humidity index 66,72,78 and 84, respectively. The results showed that CO₂ and CH₄ production would be decrease significantly (P<0.01) and the emissions methane by unit of feed dry matter become significantly higher under heat stress conditions(P<0.01). Therefore,the feed energy will be wasted badly under the heat stress conditions.

Key words: heat stress; methane; dairy period dairy cows

中图分类号:

S823.9+1

王小林, 张丹凤, 卜登攀, 周凌云, 孙鹏, 杨红建. 热应激对干奶期奶牛甲烷排放量的影响[J]. , 2012, 39(7): 234-237.

WANG Xiao-lin, ZHANG Dan-feng, BU Deng-pan, ZHOU Ling-yun, SUN Peng, YANG Hong-jian. The Effect of Heat Stress on Methane Emissions in Dry Period Cows[J]. China Animal Husbandry & Veterinary Medicine, 2012, 39(7): 234-237.

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