1. Feeding and Feeding Laws High-standard feeding, multi-feeding of concentrate feed, and less feeding of roughage should be conducted 15 days before the cow's delivery to the peak of milk production (30 to 45 days after delivery). Feed 1.5 to 1.8 kg of fine material per cow per day from the first 15 days of the cow's birth, and then increase it by 0.3 to 0.5 kg per day until it reaches 1.5 kg per 100 kg of body weight. Dairy cattle are fed 0.3 to 0.5 kilograms of concentrate every day postpartum until the peak of milk production. However, the maximum amount of concentrate feed should not exceed 17 kg per day. After the peak period, raise and manage according to normal standards. Second, the limited feeding method for healthy, nutritionally healthy cows, the implementation of pre-natal limited intake method, in the dry period of feeding more green and juicy feed or hay, less feed concentrate feed (feeding daily does not exceed 4 kg), starting from the first week of postpartum, 0.3 to 0.5 kg of fine concentrate per head per day, but the amount of concentrate feed per day must not exceed 17 kg. The feed should be mixed and mixed so that the cattle can eat freely and maintain for 2 to 3 months. Third, alternating feeding method In order to achieve the purpose of high yield and stable production, stimulate the appetite of dairy cows, the amount of concentrate feed should be fed periodically and intermittently. From the 10th day after the delivery of the cow, 8 kg of green hay, 10 kg of silage (12 kg of green grass or vegetable leaves) and 7 kg of concentrated feed are kept every day for 1 week, and then the concentrate feed is gradually reduced to 3 kg. 11 kg, 30 kg of succulent feed (grass, vegetable leaves, and tuber roots, etc.), the other unchanged, for a week, the concentrate feed gradually increased to 13 kg and remained until the peak of milk production.
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