Dermatophilosis in owl monkeys

Abstract
Dermatophilosis was diagnosed in recently imported owl monkeys (Aotustrivirgatus). Characteristic papillomatous, exudative lesions were present on the skin of all the legs, the tail, back, ears and head of 1 animal. Similar, isolated lesions were noted on another animal. Dermatophilus congolensis was easily detected on Giemsa-stained smears from skin crusts of both animals. The organism was also isolated on brain-heart infusion agar. A characteristic histologic reaction, with typical organisms, was noted in a skin biopsy. The skin lesions regressed approximately 1 month after initial symptoms. The disease was experimentally transmitted to 3 other species of monkeys: rhesus (Macaca mulatta), cynomolgus (Macaca fascicularis) and squirrel monkeys (Saimiri sciureus). These experimental infections also regressed spontaneously.

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