The post-natal health and reproductive status of cows is critical to the development of the livestock industry.However,in the process of cow breeding,postpartum non-estrus often occurs,which leads to the decrease of the pregnancy rate of cows,prolongs the birth interval,and affects the reproductive and economic benefits.The influencing factors of postpartum non-estrus of cows and the prevention and control measures were analyzed in order to provide scientific reference for the healthy development of grass-roots cattle raising industry.
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