Catarrhal fever is any of several respiratory or oral diseases of livestock such as bluetongue in horses and sheep.
卡他热是几类家禽呼吸性或口腔性疾病中的任何一种疾病,如马和羊的蓝舌病。
Catarrhal fever is any of several respiratory or oral diseases of livestock such as bluetongue in horses and sheep.
卡他热是几类家禽呼吸性或口腔性疾病中的任何一种疾病,如马和羊的蓝舌病。
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