A viral disease of sheep and cattle that is transmitted by biting insects and is characterized by fever,the formation of oral lesions,and swelling and cyanosis of the lips and tongue.

• 蓝舌病羊、牛的病毒性疾病，由蚊虫叮咬传染，症状为发烧、口腔腐烂、唇舌肿胀、发紫