First, a reasonable amount of feed with feed amount. For example, 20%~25% of soybean cake or peanut cake, 35%~40% of corn, barley, 20%~25% of bran, 1% of salt, and 3%~5% of bone meal. At the same time, it should be fed with enough quality hay and Succulent feed. Generally, 3 to 5 kg of hay are fed for every 100 kg of body weight, and every 3 to 4 kg of green feed can reduce the amount of hay fed by 1 kg. However, each cow needs to feed at least 6 kilograms of hay and 15 to 25 kilograms of high quality silage every day. Silage plays an important role in reducing feed costs and increasing milk production. Secondly, in spring dairy cow diets, root and tuber feeds such as carrots should be added to feed 10 to 20 kilograms per head per day; general concentrates can be fed on the principle of 1 kilogram of concentrate per 3 to 5 kilograms of milk produced. Appropriately increase feeding times, some high-producing cattle can feed 4 to 5 times a day. Second, strengthen cold and warm. The most suitable temperature in the barn is 16°C~20°C, which completely achieves the "three warmths", namely the cow house warm, the feed warm and the drinking water warm. The temperature in the adult barn should be kept above 6°C, and the temperature of the barn should be above 5°C. Feed frozen, moldy feeds, and place the drinking trough in a warm sunny place. Third, proper exercise. Exercise can promote blood circulation and produce heat, which not only helps digestion, but also enhances physical fitness and resistance to cold and disease. Insufficient exercise will increase the proportion of dystocia and retention of placenta in dairy cows. The fetus is prone to stunting and malposition. Therefore, in the cold climate, it is not appropriate to grazing in the season, can be enhanced by driving. Keep exercising for more than 40 minutes every morning and afternoon. In sunny weather, let the cows exercise for at least 2 hours each day, then bring them to the sun where the leeward sun shines. Fourth, pay attention to dispel parasites. Spring cows are vulnerable to parasites such as cockroaches and burdock, so it is best to do a check of cow dung in the spring to remove the parasite in time. Fifth, pay attention to brush cattle body. Brushing the body of cattle can keep the body clean and healthy, promote skin blood circulation, regulate body temperature, promote metabolism, enhance disease resistance, and reduce the incidence of colds and other diseases. Can also promote human and animal affinity and easy management. To brush twice a day, morning and evening, 3 to 5 minutes each time, to thoroughly brush the body area, not omissions.
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