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鸭曲霉菌病有哪些临床症状
更新时间: 2019-01-11 00:00:00  

雏鸭发生本病时常呈急性经过,可见病鸭呼吸呈抑制状态,呼吸困难,次数增多,伸颈张口。多卧伏,拒食,对外界反应淡漠,细听可听到气管啰音,但不发出明显的咯咯声。张口呼吸时气囊明S扩大,一起一伏。有时流浆液性鼻液,病鸭常+生眼炎、失明,后期出现下痢。J死亡。成年鸭一般只有散发性,下痢,食欲不振,消瘦。

关键词: 霉菌 哪些 临床 症状

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