Doing a good job of feeding and managing the first three months of the cow's life is the key to improving the birth rate of calves, ensuring the normal development of the rumen, and ensuring the health of the cows throughout their lives. The following points should be focused on the feeding and management of dairy cows three months before their birth: The performance of dairy cow delivery: 1, pelvic ligament loose. 2, breast enlargement. 3, restlessness. 4, tail tilted. 5, vaginal secretion of liquid. Postpartum care: do the work of the first 40 minutes after the yak is born. 1-2 minutes, umbilical cord disinfection. 2-10 minutes, let the cow stand, check the breasts. 10-20 minutes, let cows yaks. For 20-30 minutes, calves are fed colostrum. 30-40 minutes, cows and yaks are grouped. Colostrum feeding: To be completed within one day after birth. The first time in 30 minutes of birth, and then every 2 hours, the amount of feeding should reach about 10% of body weight. The quality of colostrum should be clean and the better the amount of feeding. 2-3 weeks after birth: The ability to ruminate is not formed and it mainly eats milk. The quality of milk is better. Never use inferior milk. 2-3 weeks of weaning (transitional period): Feeding materials include coarse material, concentrate, milk, and water. Crude material and fine material should be gradually increased. The first 3 months is the period of rumen formation, pay attention to several points: First, concentrate is the most important material to promote rumen development. The second is to feed the best quality milk. Third, concentrates and milk should not be fed at the same time. Fourth, clean the water and wash the bucket. Weaning: The weaning period is about 90 days. Specifically, we must determine the weaning period based on calf intake. Common diseases in the first three months: diarrhea. Reasons: First, there are too many feedings. The second is that drinking water is too cold. The third is the improper dilution of milk. During the feeding process, the body of the yak should be checked for eye, ear, nose, feces, spirit, body temperature, etc., and problems should be discovered and dealt with immediately.
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Production midwifery: 1, three disinfection. One is to sterilize midwifery equipment with 0.1% potassium permanganate solution. The second is to disinfect the perineum and tail of the cow with 0.1% potassium permanganate solution. The third is to sterilize the yak umbilical cord with iodine or povidone iodine. In principle, the sooner the disinfection, the better. 2, to prepare a hot and cold water. Hot water is used for postpartum cleansing of the genitals of dairy cows; cold water is used to splash the head when calves faint and stimulate the calves to wake up. 3, midwifery to wait for the calf's head and forelimbs exposed, according to the rhythm of cows blame, light, slow the fetus to pull out, it is strictly forbidden to force too much, too much. Difficulties should be handled differently depending on the specific circumstances.