Calves should eat colostrum within 1 hour after birth. If the cow is unable to eat colostrum or breast milk for some reason, artificial milk is needed instead. Artificial milk should be formulated according to the nutritional needs of yaks. When it is well-stirred, it should be heated to 38-40°C and fed 4-5 times a day. After the yak is born 7-10 days later, he can move freely with the cow to an outdoor or sports field for half an hour. After one month, it can be increased to 1-2 hours and gradually extended later. The cow barn should be kept clean, dry and hygienic. Keep warm in winter, and pay attention to ventilation and heatstroke in summer. Provide calves with clean water and allow them to drink freely. The common diseases of calves include calf E. coli (white bark disease), nutritional diarrhea and yak cow pneumonia. The specific treatment methods are determined by the veterinarian according to specific conditions.

Second, yak early feeding technology

Early feeds begin at 2-3 months of age, and a calf feed bar or feed trough is set separately outside the cow's lap to prevent cows from looting. Feeding 1-2 times a day, feeding 1 time in the afternoon or evening; feeding 2 times, feeding in the morning and evening. When feeding, the mixed concentrate and water are mixed in a 1:2.5 ratio into a wet thick material. The amount of feed should be determined according to the amount of breast milk and the weight of the calf. Usually 2 months of age starts to feed the mixture to enhance the adaptability of the calf to the feed; 0.2-0.3 kg of the mixture is fed on the 3rd month of age; 4 months of age 0.3-0.8 kilograms of feed mixture; 0.8-1.2 kilograms for 5 months of age and 1.2-1.5 kilograms for 6 months of age. During the feeding period, the calves are supplied with soft, good quality roughage and allowed to feed freely. The mix is ​​formulated according to the nutritional needs of calves. Early feed reference formula (%): cornmeal 47, bran 13, bean cake 20, grass flour or corn stover powder 15, calcium hydrogen phosphate 1.2, salt 0.8, additive 3.

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