The management of calf feeding should be strengthened in winter.

The weather is cold in winter and calves are susceptible to cold and illness.

Therefore, the cows approaching delivery must be transferred to the delivery barn in time in winter, and there should be a special guard fence in the barn, and the feeding and management of winter calves must be strengthened. 1. The organs of newborn calves are dysfunctional, have poor adaptability to the surrounding environment, and are easily affected by the environment.

Therefore, the living environment of calves should be clean, dry and sunny. The practice shows that the temperature in the calf shed has a great influence on the growth, development and physiological status of calves, so it is necessary to ensure the suitable temperature in the barn, especially in winter. Second, the calves after birth have strong growth and development, high metabolic intensity and large nutritional requirements, but because the function of forestomach and rumen of calves is not perfect, the feed utilization rate is low, improper feeding is easy to cause insufficient nutrition and seriously affect the growth and development. Therefore, newborn calves must be fed to colostrum, and the milk should be fed regularly, quantitatively and at a fixed temperature. Third, seven days after birth, calves begin to supplement forage, and gradually transition to weaning, allowing them to chew freely and practice feeding; three weeks later, calves can be fed with mixed concentrate and some vitamins and mineral elements can be added. After that, the feed intake should be gradually increased according to the age, and the feed should be high in nutrient concentration, palatable and easy to digest and absorb. Fourth, group management according to month age, body weight and weaning, and measure the weight once a month.