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Low MRSA prevalence in horses at farm level

  • Van den Eede, Annelies
  • Martens, Ann
  • Feryn, Isabelle
  • Vanderhaeghen, Wannes
  • Lipinska, Urszula
  • Gasthuys, Frank
  • Butaye, Patrick
  • Haesebrouck, Freddy
  • Hermans, Katleen
Publication Date
Jan 01, 2012
Ghent University Institutional Archive
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Background: In Europe, methicillin-resistant Staphylococcus aureus (MRSA) belonging to the clonal complex (CC) 398 has become an important pathogen in horses, circulating in equine clinics and causing both colonization and infection. Whether equine MRSA is bound to hospitals or can also circulate in the general horse population is currently unknown. This study, therefore, reports the nasal and perianal MRSA screening of 189 horses on 10 farms in a suspected high prevalence region (East-and West-Flanders, Belgium). Results: Only one horse (0.53%) from one farm (10%) tested positive in the nose. It carried a spa type t011-SCCmecV isolate, resistant to beta-lactams and tetracycline, which is typical for livestock-associated MRSA CC398. Conclusion: In the region tested here, horses on horse farms seem unlikely to substantially contribute to the large animal associated ST398 MRSA reservoir present at intensive animal production units.

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