Prevent cow abortion, scientific feeding, and ensure the nutritional needs of pregnant cows. Spring grass should not be released; strengthen management and care of pregnant cows and cows during pregnancy; the ground of the cowshed should be non-slip to prevent the pregnant cows from being crushed and collided Do not whip pregnant cows to prevent them from being frightened.

How to calculate the expected date of cows: minus three plus six! The pre-production month is the breeding month minus 3; the pre-production date is the breeding date plus 6.

Beijing Yahe nutrition expert Jin Xin talks about the evaluation system of growth and development of young cattle and breeding cattle

Beijing Yahe nutrition expert Jin Xin talked about the evaluation system of dairy cow breast development, namely: lactation system, anterior breast and posterior breast.