sheep scab
noun
mass noun
1- an intensely itching skin disease of sheep caused by a parasitic mite绵羊疥癣（寄生螨引起羊身极度瘙痒的皮肤病）。
1.1
- The mite is Psoroptes communis, family Psoroptidae.该螨是山羊痒螨, 痒螨科。