Since there was no special therapy for this disease,TGP could cause 100% death rate of infected piglets.

 
  • 多發(fā)于冬春季節,該病無(wú)特效治療方法,仔豬死亡率高達100%25。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan