摘要
[目的]为综合利用牦牛资源,提高牦牛生产性能。[方法]2020年夏河县种羊场通过自然发情和同期发情方式对955头牦牛采用娟珊牛冻精进行人工授精。[结果]受胎470头,成活179头,受胎率为49.2%,繁殖成活率为38.1%。
[Objective]In order to comprehensively utilize yak resources and improve yak production performance.[Method]955 yaks were artificially inseminated with frozen semen of Jersey cattle by means of natural estrus and synchronous estrus in Xiahe sheep breeding farm in 2020.[Result]470 conceived and 179 survived.The conception rate was 49.2%and the reproductive survival rate was 38.1%.
作者
庞生磊
桑吉草
桓龚杰
郭元祥
PANG Sheng-lei;SANG Ji-cao;HUAN Gong-jie;GUO Yuan-xiang(Xiahe County for Animal Disease Control and Prevention, Xiahe, Gansu 747199;Agricultural and Rural Bureau of Xiahe County, Xiahe, Gansu 747199;Veterinary Workstation in Sangke Town, Xiahe County, Xiahe, Gansu 747199)
出处
《中国牛业科学》
2021年第6期88-90,共3页
China Cattle Science
关键词
牦牛
人工授精
夏河
yak
artificial insemination
Xiahe
