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Open Access Naturally Occurring Tyzzer's Disease in Cotton-top Tamarins (Saguinus oedipus)

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We noted naturally occurring infection with Clostridium piliforme (Tyzzer's disease) in 2 captive-reared cotton-top tamarins (Saguinus oedipus). Spontaneous Tyzzer's disease has been reported in multiple species of laboratory, domestic, and wild animals but is extremely rare in humans and nonhuman primates. Distinct from idiopathic colitis, which is common in cotton-top tamarins, these 2 tamarins had severe, transmural, necrotizing typhlocolitis accompanied by myocarditis and hepatitis. Abundant bacteria compatible with C. piliforme, the etiologic agent of Tyzzer's disease, were present adjacent to lesions in the cecum–colon, liver, and heart. Therefore, colitis caused by C. piliforme, although rare, should be included as a differential diagnosis in cotton-top tamarins and as a cause of postnatal mortality in this species.

Document Type: Miscellaneous

Publication date: February 1, 2007

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  • Comparative Medicine (CM), an international journal of comparative and experimental medicine, is the leading English-language publication in the field and is ranked by the Science Citation Index in the upper third of all scientific journals. The mission of CM is to disseminate high-quality, peer-reviewed information that expands biomedical knowledge and promotes human and animal health through the study of laboratory animal disease, animal models of disease, and basic biologic mechanisms related to disease in people and animals.

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