an infectious disease of sheep and sometimes goats and cattle, characterized by scabby pustular lesions on the muzzle and lips; caused by a paramyxovirus
Technical name: contagious pustular dermatitis. Also called (Austral): scabby mouth
Examples of 'orf' in a sentence
orf
Trouble is, sheep can pass on a skin virus called orf.
The Sun (2015)
Foot-and-mouth symptoms in sheep are similar to orf.