天气预报 > 其他 > 鸭霍乱有何病理变化
鸭霍乱有何病理变化
更新时间: 2019-01-11 00:00:00  

最急性型剖检时无明显的器官病变。急性型病死鸭一般可见心包积液增多、透明,呈橙黄色,部 分病例心包内有纤维样渗出物,心外膜、心冠脂肪上有出血 斑点。肝脏稍肿大,颜色变黄,表面有数量不等的针尖状灰 黄色或白色坏死点,这是本病的特征性病变。肠道出血,充 血严重尤以十二指肠最明显。肺部及气管淤血、充血,呈红 色。慢性病例多见鼻腔内有黏液,卵巢变成绿色,有干酪样 物质黏着。

关键词: 霍乱 病理 变化

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