Mycobacterium avium subsp. paratuberculosis was cultured from a single fecal sample collected from a 10-yr-old, captive-bred male addax (Addax nasomaculatus). Attempts to confirm infection with additional fecal cultures, serology, semen culture, and tissue biopsy were unsuccessful. There were no gross lesions on necropsy. On histopathology there were neither acid-fast organisms nor microscopic changes suggestive of active or clinical Johne's disease. Mycobacterium avium subsp. paratuberculosis was isolated from four organ tissues: ileum, jejunum, colon, and mesenteric lymph node.
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1 June 2001
MYCOBACTERIUM AVIUM SUBSP. PARATUBERCULOSIS INFECTION IN AN ADDAX (ADDAX NASOMACULATUS)
Michael S. Burton,
John H. Olsen,
Ray L. Ball,
Genevieve A. Dumonceaux
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Journal of Zoo and Wildlife Medicine
Vol. 32 • No. 2
June 2001
Vol. 32 • No. 2
June 2001
Addax
Addax nasomaculatus
Johne's disease
Mycobacterium avium subsp. paratuberculosis