Currently at the turn of the seasons, sheep pleuropneumonia is prone to disease. The survey found that in addition to suckling lambs, the incidence of pleuropneumonia accounted for about 40% of the en
2020/10/12 Dy 98
If a flexible grazing method is adopted, one is to graze in groups, divide the flock into small flocks according to age, sex, and size, and the number of each flock ranges from 50 to 100. The fattenin
2020/10/10 Dy 107
