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Diagnosis on pasteurella diseases in duck

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Author:
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Journal Title:
GUIDE TO CHINESE POULTRY
Issue:
20
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Abstract: @@ 一流行病学及临床症状据调查,患病鸭群一般13日龄左右开始发病,30日龄达到死亡高峰,发病率在5%~90%之间,死亡率为5%~70%.发病期间,曾用过磺胺类、土霉素、氟哌酸等抗生素,开始2天前尚有效果,但以后疗效不明显,耐过不死的鸭生长发育受阻迟缓.病鸭表现为精神沉郁、嗜睡、不愿走动、眼鼻有粘液性或浆液性分泌物,眼眶周围羽毛沾湿、食欲减退、拉黄绿色或黄色稀粪,病鸭死前出现痉挛、摇头或点头和角弓反张等神经症状,病程一般为2~3天.

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