Definition of orf in English:
An infectious disease of sheep and goats caused by a poxvirus, characterized by skin lesions and secondary bacterial infection.
- We made a clinical diagnosis of cutaneous orf, and the lesion healed without any complications within a fortnight, without further intervention or medication.
- The National Animal Disease Information Service has had many reports of orf in lambs this spring, according to NADIS vet Richard Laven.
- Orf is a viral disease that is widespread in sheep and goats.
Mid 19th century: probably from Old Norse hrufa.
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