天气预报 > 其他 > 禽类传染性支气管炎病病理变化如何
禽类传染性支气管炎病病理变化如何
更新时间: 2019-01-11 00:00:00  

病死鸡气管暗红色,壁增厚,管腔内有 黏稠透明的液体,雏鸡在气管与支气管分叉处或支气管内 有淡黄色干奶酪样阻塞物,气管周围的肺组织发炎,颜色变 深,呈肉样;母雏的输卵管变短粗,部分管段黏在一起;产蛋 鸡卵泡破裂,卵黄流于整个腹腔中;患肾型传支的病死鸡还 可见肾脏肿大近1倍,外观呈红灰相间的斑纹状,输尿囊扩 张,充满灰白色的尿酸盐,切开触摸有沙石感,泄殖腔中也 有大量尿酸盐。

关键词: 禽类 传染性 支气管炎 病理 变化 如何

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