“The winter temperature is low, and yaks are weak in resistance. If improper feeding and management, it is easy to get sick.†Lin Qing, professor of Animal Science and Technology College of Northwest Agriculture and Forestry University, told reporters that winter should pay attention to the feeding of yak colostrum and lactation period. , lay the foundation for the health of Yak's life.
The calf born 1 to 5 days after colostrum is bovine colostrum. "The feeding of colostrum should be timely and timely. It is best to feed colostrum after half an hour of calf production. If it is too early, the reflex of the newborn yaks will not be fully formed and will be picked up; if it is too late, the nutrition will not keep up. , will cause a decline in calf resistance." Lin Qing told reporters that colostrum is rich in magnesium salts and immune globulin, helps remove meconium and enhance the resistance of calves. In the amount of feeding, not too much; in the feeding method, adhere to the "timing, quantitative, qualitative, set the staff", if it is artificial milking, it is best to add half the warm water of 35 °C ~ 40 °C.
After 5 days of calving, calves enter the lactation phase. “At this time, it is necessary to increase quality hay to promote the development of rumen rumen and stomach, etc. After 10 days, you can add some fried soybeans and train to eat yak material. After 30 days, you can increase the calf material.†Lin It is recommended that the majority of farmers, after two months, can gradually reduce the amount of milk feeding and increase the quality of hay and concentrate feed. At the time of weaning, calves can be weaned at the earliest after 45 days of birth, and no more than three months after the last weaning. At the same time, it is necessary to do a good job of ventilation and insulation of the cowshed to create a good environment for the growth of yak.
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