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.