Mycobacterium spp in Horses (Equis) | Vetlexicon
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Mycobacterium spp

ISSN 2398-2977


Introduction

Classification

Taxonomy

  • Order:Actinomycetales.
  • Family:Mycobacteriaceae.
  • Genus:Mycobacterium- closely related toCorynebacterium,NocardiaandRhodococcus.
  • Mycobacteria can be classified into three groups:
    • Strict pathogens, egM. bovis.
    • Opportunistic, egM. avium.
    • Rare pathogens or saprophytes, egM. smegmatis.

Etymology

  • Gr:myces- a fungus;bakterion- a small rod.

Distribution

  • Worldwide.
  • Mycobacterial infections of animals are extremely common.

Significance

  • Mycobacteriumspp are the agents of tuberculosis   Mycobacteriosis  .
  • The tubercle bacilli areM. tuberculosis,M. aviumandM. bovis.
  • M. paratuberculosiscauses Johne's disease in ruminants.
  • M. aviumis associated with tuberculous lesions in horses.
  • OtherMycobacteriumspp ('atypical or opporunistic mycobacteria') may occasionally cause tuberculous lesions in various species.

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Clinical Effects

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Diagnosis

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Monreal L, Segura D, Segales J, Garrido J M & Prades M (2001) Diagnosis of Mycobacterium bovis infection in a mare. Vet Rec 149 (23), 712-714 PubMed
  • Booth T M & Wattret A (2000) Stifle abscess in a pony associated with Mycobacterium smegmatis.Vet Rec 147 (16), 452-454 PubMed
  • Leifsson P S, Olsen S N & Larsen S (1997) Ocular tuberculosis in a horse. Vet Rec 141 (25), 651-654 PubMed
  • Thorel M F, Huchzermeyer H, Weiss R & Fontaine J J (1997) Mycobacterium avium infections in animals. Literature review. Vet Res 28 (5), 439-447 PubMed
  • Hart C A, Becking N J & Duerden B I (1996) Tuberculosis into the next century. J Med Microbiol 44, 1-34 PubMed
  • Helie P & Higgins R (1996) Mycobacterium avium complex abortion in a mare. J Vet Diagn Invest (2), 257-258 PubMed.
  • Gunnes G, Nord K, Vatn S & Saxegaard F (1995) A case of generalized avian tuberculosis in a horse. Vet Rec 136 (22), 565-566 PubMed
  • Cline J M, Schlafer D W, Callihan D R et al (1991) Abortion and granulomatous colitis due to Mycobacterium avium complex infection in a horse. Vet Pathol 28 (1), 89-91 PubMed.
  • Flores J M, Sanchez J & Casta M (1991) Avian tuberculosis dermatitis in a young horse. Vet Rec 12 8(17), 407-408 PubMed.

Other sources of information

  • Manning E J B & Collins M T (2001) Mycobacterial infections in domestic and wild animals. Rev Sci Tech 20 (1), 331. ISBN: 929044519X.
  • Biberstein E L (1990) Mycobacterium species: The Agents of Animal Tuberculosis. In: Review of Veterinary Microbiology. Eds: Biberstein E L & Zee Y C. Blackwell Scientific, USA. pp 202-212. ISBN: 0865420858.