中国畜牧兽医 ›› 2021, Vol. 48 ›› Issue (3): 982-990.doi: 10.16431/j.cnki.1671-7236.2021.03.022

• 遗传繁育 • 上一篇    下一篇

影响荷斯坦奶牛产犊间隔的因素及其研究进展

宋真1, 赵善江2, 李来宝3, 许慧韬2, 朱化彬2   

  1. 1. 全国畜牧总站, 北京 100125;
    2. 中国农业科学院北京畜牧兽医研究所, 北京 100193;
    3. 徐州乐源牧业有限公司, 徐州 221721
  • 收稿日期:2020-07-07 出版日期:2021-03-20 发布日期:2021-03-18
  • 通讯作者: 朱化彬 E-mail:zhuhuabin@caas.cn
  • 作者简介:宋真(1976-),女,北京人,本科,从事畜牧技术推广工作,E-mail:17600480760@sina.cn
  • 基金资助:
    国家重点研发计划(2017YFD0501903);中央级公益性科研院所基本科研业务费(2019-YWF-YB-03);中国农业科学院科技创新工程(ASTIP-IAS06)

Impact Factors and Its Research Progress of Calving Interval in Holstein Dairy Cows

SONG Zhen1, ZHAO Shanjiang2, LI Laibao3, XU Huitao2, ZHU Huabin2   

  1. 1. National Animal Husbandry Station, Beijing 100125, China;
    2. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    3. Xuzhou Leyuan Animal Husbandry Co., Ltd., Xuzhou 221721, China
  • Received:2020-07-07 Online:2021-03-20 Published:2021-03-18

摘要: 产犊间隔(calving internal,CI)又称胎间距,即两次产犊间的时间间隔,能够综合反映奶牛发情、配种、妊娠和产犊等繁殖性能,是衡量奶牛繁殖性能的一个重要指标,同时也是影响奶牛产奶量和产犊数量的重要因素,对奶牛养殖经济效益具有直接影响。最新研究显示,适宜产犊间隔与牛群泌乳能力相关,泌乳能力越高,适宜产犊间隔应越长。但是,即使中国规模化牛场产奶量已经有了大幅提升,中国大多数牧场还在追求更短的产犊间隔。为此,作者对影响荷斯坦奶牛产犊间隔的因素及其研究进展进行概述,并简要阐述了产犊间隔对牛场经济效益的影响,以期为中国荷斯坦奶牛养殖确定适宜产犊间隔提供一定的借鉴和理论依据。

关键词: 荷斯坦奶牛; 产犊间隔; 繁殖性能; 经济效益

Abstract: Calving interval is the time interval between calving,which can comprehensively reflect the reproductive performance of dairy cows,such as estrus,breeding,pregnancy and calving.Calving interval is an important index to measure the reproductive performance of dairy cows,and it is also an important factor affecting the milk yield and calving quantity of dairy cows,which has a direct impact on the economic benefits of dairy farming.The latest research showed that the suitable calving interval was correlated with the lactation ability of cattle.The higher the lactation ability,the longer the suitable calving interval should be.However,even though the milk yield of large-scale cattle farms in China has been greatly improved,most farms in China are still pursuing shorter calving intervals.Therefore,this paper summarized the factors affecting calving interval of Holstein dairy cows,especially high-yielding cows,and analyzed calving interval and economic benefits of dairy farms,in order to provide some references and theoretical basis for determining suitable calving interval for Holstein dairy cows farming in China.

Key words: Holstein dairy cows; calving interval; reproductive performance; economic benefits

中图分类号: