Dairy cow perinatal period refers to the one month period within 15 days before and after cows' delivery. It includes gestation period and early lactation period. During this period of feeding and management should pay attention to the following five points: Limited calcium supplement to the cows in the first half of the month of delivery to implement low-calcium diets, so that the dietary calcium content is reduced to the usual amount of 1/3 -1 /2, This method of feeding allows calcium in the bones of dairy cows to migrate to the blood, which can effectively prevent postpartum palsy in dairy cows. Do not oversaturate the cows so that they do not suffer from urinary disease in the first few days after delivery. The maximum amount of concentrate fed at this stage should not exceed 1% of the weight of the cow. About half a month before the feeding of salt-fed dairy cows, it is necessary to reduce the amount of salt fed and increase the amount of exercise, which can reduce the incidence of breast edema in dairy cows. Postpartum milking cows should have a milking output of 1/3 of their daily output on the first postnatal day. Gradually increase from the second day. After the fourth to fifth days, the lactation and digestive function will be resumed and then normal milking will be effective. Prevent the occurrence of milk fever. Feeding and management In order to promote the discharge of postpartum lochia from dairy cows, 5-8 kg of motherwort water (made from 1000 g Motherwort) should be fed immediately after birth. If you add 250 grams of brown sugar, it works better. At the same time, post-harvest feeding and management should be strengthened. Easy-to-digest cornmeal should be fed 1-2 days after childbirth. If the appetite and feces of the cows are normal, they can increase with the gradual increase of milk production. Feeding amount to meet the milk production of dairy cows.
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