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  5. The effects of reproductive performance on the productive life and lifetime profit in Korean Holstei

The effects of reproductive performance on the productive life and lifetime profit in Korean Holstei

来源 :第11届世界畜产大会(WCAP2013) | 被引量 : 0次 | 上传用户：ylg2008asp
【摘 要】
：
Reproduction is important in dairy farming.Not only the production of milk is dependant on reproduction,but also the genetic progress is linked with reproductive efficiency.Service information could b
【作 者】
：
Changhee Do Nidarshani Wasana Chanhyuk Park Kwanghyun Cho Yunho Choi Taejeong Choi Byungho Park Donghee Lee 
【机 构】
：
Chungnam National University,Daejeon 305-764,Republic of Korea
【出 处】
：
第11届世界畜产大会(WCAP2013)
【发表日期】
：
2013年2期
【关键词】
：
Age at first calving Calving interval Lifetime profit Productive life 
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Reproduction is important in dairy farming.Not only the production of milk is dependant on reproduction,but also the genetic progress is linked with reproductive efficiency.Service information could be useful reproductive measures such as days to first service,non-return and conception rates.
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