An infectious disease of sheep and goats caused by a poxvirus, characterized by skin lesions and secondary bacterial infection.
（羊）传染性脓疱皮炎，羊痘疮
Example sentencesExamples
Scabby mouth (contagious ecthyma, orf) is a highly contagious, viral disease of sheep, goats and occasionally humans.
We made a clinical diagnosis of cutaneous orf, and the lesion healed without any complications within a fortnight, without further intervention or medication.
Orf is a viral disease that is widespread in sheep and goats.
The National Animal Disease Information Service has had many reports of orf in lambs this spring, according to NADIS vet Richard Laven.
The condition of contagious pustular dermatitis or ‘orf’ in sheep is one exceedingly well known to veterinary surgeons and farmers.