As the herds are more intensively managed and herd health improves, the cultural imperative to maintain high numbers of animal with low productivity may begin to erode.

 
  • 随着牧群管理的完善和牧群健康的改善,传统的维持高数量低产率的作法便开始被淘汰了。
今日热词
目录 附录 查词历史