机译:将自动活动监控器集成到人工授精程序中,以及影响奶牛繁殖性能的相关风险因素
Applied Animal Biology, Faculty of Land and Food Systems, University of British Columbia, Vancouver, Canada V6T 1Z4;
Applied Animal Biology, Faculty of Land and Food Systems, University of British Columbia, Vancouver, Canada V6T 1Z4;
Applied Animal Biology, Faculty of Land and Food Systems, University of British Columbia, Vancouver, Canada V6T 1Z4;
Federal Rural University of Pernambuco, Department of Veterinary Medicine, Recife, Brazil 52171-900;
Applied Animal Biology, Faculty of Land and Food Systems, University of British Columbia, Vancouver, Canada V6T 1Z4;
dairy cow; automated activity monitor; timed artificial insemination; health;
机译:1129通过自动活动监测或定时授精计划对奶牛进行初次授精的生殖性能。
机译:奶牛的生殖性能通过一项计划进行管理,该计划旨在基于定时人工授精的增加的体力活动和繁殖力来增加发情期母牛的授精
机译:与定时人工授精结合使用的自动活动监视系统的性能与仅在奶牛早期哺乳中定时人工授精相比
机译:牛群和牛级因子,牛躺着和常设行为的关联,以及在自由摊位哺乳奶牛的自由摊位升高的体细胞计数
机译:处女小母牛和哺乳奶牛杂交乳制品人工授权育种策略的预期价值
机译:在埃塞俄比亚东埃罗马省奥罗马省奥罗马省及其周围地区奶牛奶牛人工授权效率的危险因素及奥罗马亚镇及其周围地区失败
机译:孕酮的定时人工授精计划中马绒毛膜促性腺激素治疗对季节性哺乳乳奶奶牛的生殖性能