There are many causes of abortion in dairy cows, including genetics, climate and environment, endocrinology, diseases, and feeding and management. The improper feeding and management are the main incentives. Prevention of abortion of dairy cows, first, pay attention to the nutritional balance of dairy cows, provide vitamins and trace elements needed for dairy cows, especially calcium supplements before and after childbirth, prevent the resistance and calcium deficiency caused by diseases; Second, feeding and management, Do a good job in heatstroke and cold work. Do not feed mildew or frozen feed. Take care not to drive out pregnant cows in rainy or snowy weather to prevent slipping. Pay attention to the cleansing of the vulva before delivery, and strictly disinfect the production process. Cows should take effective measures to take timely measures to cure the cattle after they are cured. The third is to strengthen the veterinary hygiene supervision and regular disinfection and disease prevention of the dairy farm environment. The introduction of exotic cows requires strict quarantine and does not allow cattle with any disease to enter. UV disinfection personnel entering the production area can not be less than 8 minutes. Vehicles entering the production area must be strictly disinfected, and the production area should be disinfected once a week. Fourth, artificial insemination should be done by professionals so as to prevent the device from injuring the uterus in the process of insemination, and the instruments used must be strictly disinfected. At the same time, insemination should be performed on the uterus to detect the abnormalities and abnormalities should be detected in time to take appropriate treatment measures.
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