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Mycobacterium kansasii infection in a captive Sichuan takin (Budorcas taxicolor tibetana) and a siamang (Hylobates syndactylus) at a zoological facility
  1. Kimberly Ann Thompson1,
  2. Mark Campbell2,
  3. Greg Levens2,
  4. Ailam Lim3 and
  5. Steve Bolin3
  1. 1College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
  2. 2Department of Animal Health, Cincinnati Zoo and Botanical Garden, Cincinnati, Ohio, USA
  3. 3Diagnostic Center for Population and Animal Health, Michigan State University, Lansing, Michigan, USA
  1. Correspondence to Dr Kimberly Ann Thompson, kimo618{at}, thom1151{at}


Mycobacterium kansasii is one of the most significant causes of pulmonary disease due to non-tuberculous mycobacteria in humans and has been recognised to cause disease in a wide variety of animal species. To the authors’ knowledge, this paper reports the first cases of pulmonary lesions due to M. kansasii in a siamang (Hylobates syndactylus) and a Sichuan takin (Budorcas taxicolor tibetana). In both cases, the animals had a history of a primary chronic disease that may have resulted in altered immune function and contributed to the development of secondary lesions due to M. kansasii. This report describes two cases that occurred at the same zoological facility, on different sides of the park and separated by a six-year time span.

  • Mycobacteria
  • takin
  • siamang
  • Mycobacterium kansasii
  • non-tuberculosis mycobacterium
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