In actual cattle production practice, there are many influencing factors that cause newborn weak calves, which are manifested as the decline in the physical condition of the calves and frequent diseases, which affect their later normal growth and improved breeding benefits. Therefore, the article discusses the application direction of the rejuvenation of newborn weak calves using intravenous blood transfusion therapy, and summarizes the operation methods of maternal intravenous blood transfusion of calves, and proposes key points for breeding and management to promote the rejuvenation of weak calves, which would provide a certain reference for improving the efficiency of calves breeding. |