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牛皮肤、黏膜溃疡性疾病的诊断与鉴别

Technical Advisor for Animal Husbandry(2014)

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Abstract
1临床症状牛瘟时,病牛表现口腔黏膜潮红,呈现浅黄或微白色斑点或小结,大小如针尖、粟粒,之后发展成浅在性溃疡。牛口角、齿龈、齿垫、颊内面多见,溃疡上有伪膜极易脱落,抹之即去,遗留红色烂斑,口腔恶臭。母牛阴道、阴门黏膜也有发炎和形成伪膜,伪膜脱去形成糜烂面,有时在色素浅的皮肤上,如乳房、阴囊、大腿内侧发生丘疹和水疱,水疱破裂后形成小溃疡。本病病程一般7~10天,也有2~3天即死亡者。
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