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禽流感的病变如何
更新时间: 2019-01-11 00:00:00  

本病的病变特征是眼角膜混浊,眼结膜出 血、溃疡,翅膀、嗉囊部皮肤表面有红黑色斑块状出血,脚胫 鱗片出现红褐色出血斑块、水肿,窦和气管有卡他性、纤维 素性及干酪样性炎症;喉头、气管出血,皮下尤其是头颈、胸 部皮下水肿,呈胶胨样,肺实质水肿,气囊增厚并有纤维素 性干酪样渗出物,腹膜发生纤维素性炎症;内脏器官的黏膜 及浆膜面有小点出血,特别是法氏囊及腺胃肌胃交界处易 见出血,心、肝、肾、脾、胰等实质器官有灰白色的坏死灶,母 鸡可见卵管性腹膜炎,输卵管有炎症渗出物。

关键词: 禽流感 病变 如何

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