畜牧兽医学报 ›› 2018, Vol. 49 ›› Issue (7): 1387-1393.doi: 10.11843/j.issn.0366-6964.2018.07.007

• 生物技术与繁殖 • 上一篇    下一篇

奶牛发情期活动量变化规律研究

李蓝祁1,2, 刘江静2,3, 陈晓丽2, 李欣2, 路永强4, 王水莲1*, 王栋2*   

  1. 1. 湖南农业大学动物医学院, 长沙 410128;
    2. 中国农业科学院北京畜牧兽医研究所 农业部畜禽遗传资源与利用 重点开放实验室, 北京 100193;
    3. 吉林农业大学动物科学技术学院, 长春 130118;
    4. 北京市畜牧总站, 北京 100107
  • 收稿日期:2017-12-04 出版日期:2018-07-23 发布日期:2018-07-19
  • 通讯作者: 王水莲,博士,教授,博士生导师,主要从事动物生殖调控研究,E-mail:wangshuilian1234@126.com;王栋,博士,研究员,博士生导师,主要从事动物遗传育种与繁殖研究,E-mail:dwangcn2002@vip.sina.com
  • 作者简介:李蓝祁(1992-),男,湖南永州人,硕士生,主要从事动物遗传育种与繁殖研究,E-mail:llq0746@126.com
  • 基金资助:

    奶牛产业技术体系北京市创新团队项目(BAIC06-2017);湖南省重点研发计划项目(2017NK2351);“十三五”国家重点研发计划课题(2017YFD0501901;2017YFD0502005)

Study on the Activity Alteration of Dairy Cow during Estrus

LI Lan-qi1,2, LIU Jiang-jing2,3, CHEN Xiao-li2, LI Xin2, LU Yong-qiang4, WANG Shui-lian1*, WANG Dong2*   

  1. 1. College of Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China;
    2. The Key Laboratory of Farm Animal Genetic and Utilization of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    3. College of Animal Science and Technology, Jilin Agricultural University, Changchun 130118, China;
    4. Animal Husbandry Station of Beijing, Beijing 100107, China
  • Received:2017-12-04 Online:2018-07-23 Published:2018-07-19

摘要:

旨在探究奶牛发情期活动量变化规律,及其受胎次、季节和发情处理方式3个因素的影响,提高计步器发情检测方法检出率。随机选择某奶牛场150头产后健康泌乳牛和7头青年牛,使用计步器自动检测牛发情前后活动量数据,并采用直肠检查进行发情牛确认。结果表明,奶牛发情开始后活动量(>1 500)显著高于间情期(<500)(P<0.05),且发情后4.5 h达最高(2 179±1 073),随后逐渐下降,至发情结束后,恢复到间情期水平;发情期活动量升高倍数和持续时间受胎次、季节和发情处理类型影响显著(P<0.05)。综上表明,运用计步器自动检测荷斯坦奶牛发情时,应综合考虑胎次、季节和发情处理方式因素对活动量变化的影响,再根据本场具体情况设定与本场相切合的预报阈值。

关键词: 奶牛, 发情鉴定, 活动量, 计步器

Abstract:

In order to improve the detection rate of estrus determination via pedometer, the activity alteration of dairy cows affected by parities, seasons and types of estrus treatment was compared before and after estrus. 157 randomly selected dairy cows(150 postpartum healthy lactating dairy cows and 7 primiparous ones) in a dairy farm were analyzed in this study. The activity of the experimental cows before and after estrus were measured by pedometer, and the estrus status were confirmed by rectal examination. The detection of pedometer showed that the activities of cows after the onset of estrus(>1 500) were significantly higher than those during diestrus(<500)(P<0.05). The maximum activities(2 179±1 073) was observed at 4.5 h after the onset of estrus and gradually decreased till the end of the estrus to the level of diestrus. The amount of increased activity and its duration of cows during estrus were markedly influenced by parities, seasons and types of estrus treatment(P<0.05). In conclusion, parities, seasons and types of estrus treatment must be taken into account comprehensively when we use pedometer to detect estrus Holstein cows automatically. And then set an estrus prediction threshold according to local specific circumstances.

Key words: cow, estrus determination, activity amount, pedometer

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