牛流行熱由牛流行熱病毒引起，經庫蠓等吸血節肢動物媒介，造成感染牛隻泌乳量下降致使酪農業嚴重損失。
Bovine ephemeral fever (BEF) caused by bovine ephemeral fever virus (BEFV) is an arthropod-borne disease.