Field investigation found a history of deaths in a chicken flock near her home about one week prior to symptom onset.
现场调查发现在症状出现前1周左右在她家附近的鸡群中有鸡死亡。
The false hens from a flock of Avian parents breed were dissected in a certain chicken farm, and malformation appeared in each oviduct.
某种鸡场一群艾维茵父母代种鸡中出现“假性母鸡”，剖检发现输卵管畸形。
The false hens from a flock of Avian parents breed were dissected in a certain chicken farm, and malformation appeared in each oviduct.
某种鸡场一群艾维茵父母代种鸡中出现“假性母鸡”，剖检发现输卵管畸形。
应用推荐