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禽类传染性喉气管炎病理变化如何

更新时间: 2019-01-11 00:00:00     

鼻腔中积有多量黏稠的渗出物,并有黏 液或黄白色伪膜附着;病初气管内有带血的渗出物或血凝 块,喉头和气管黏膜上有针尖大的出血点;后期黏膜坏死, 有灰白色的溃疡灶,并有黄色豆渣样的栓子或血凝块阻塞 喉头和气管;眼结膜和鼻窦也可见水肿、充血,上下眼睑粘 连,眼圈周围有干酪样分泌物等炎性变化。

关键词: 禽类 传染性 气管炎 病理 变化 如何

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