The raising and management of empty cows are mainly concerned with improving the breeding rate, conception rate, making full use of concentrated feeds, and reducing the cost of raising the breeding cows. Breeding cows should maintain medium and high levels of lye before mating, and overweight and overweight often affect reproduction. In the daily feeding and management work, if too much feed is fed and there is insufficient exercise, it is easy to make the cattle over-fat and cause no heat. This is most common in the feeding and management of beef cows. However, in the absence of feed and in the case of thin cows, cows are not susceptible to estrus and affect breeding. This is mainly the case of drought and imbalanced livestock and livestock. For this reason, lean cows are 1-2 before breeding. Month, need to strengthen the feeding, appropriate supplements concentrate, can improve the conception rate. Cow estrus should be bred in time to prevent missed matches and miss estrus.
