[Strawberry foot rot (proliferative dermatitis) in sheep]
1989
Moradpoor, A.
This is a case report of a proliferative dermatitis of the lower limbs of sheep in Iran. The causative agent is Dermatophilus congolensis (D. pedis). The disease is reported only from the United Kingdom and occurs extensively in some parts of Scotland. The hyphae of D. congolensis invade the living epidermal cells especially in the hair or wool-follicle sheaths, inducing acute inflammation and rapid cornification of the infected epidermis. Small heaped-up scabs appear on the leg from the cornet to the knee or hook. These enlarge (3-5 cm in diameter) and become thick and wart-like. Removal of the scabs reveals a bleeding, fleshy mass resembling a fresh strawberry, sorrounded by a shallow ulcer
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