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Home / Equine Research Bank / Lett Appl Microbiol / Methicillin-resistant staphylococcal colonization in clinica...
Letters in applied microbiology2006; 43(6); 602-606; doi: 10.1111/j.1472-765X.2006.02018.x

Methicillin-resistant staphylococcal colonization in clinically normal dogs and horses in the community.

Abstract: To evaluate the prevalence of methicillin-resistant staphylococcal (MRS) colonization in clinically normal dogs and horses in the community. Results: Three hundred clinically normal horses and 200 clinically normal dogs were enrolled. One nasal swab was collected from each horse. Two swabs were taken from each dog: (i) from an anterior nare, and (ii) a combination of the perineal area and 0.5 cm into the anus. Enrichment cultures were performed. Methicillin-resistant Staphylococcus aureus (MRSA) was not identified. Methicillin-resistant Staphylococcus intermedius (MRSI) was isolated from the nasal swab from three dogs. Methicillin-resistant coagulase negative staphylococci (MRCoNS) were isolated from 126/300 (42%) horses and 26/200 (13%) dogs. Conclusions: At present MRSI is not considered to be a significant zoonotic concern; however, it may become an important pathogen in dogs. MRCoNS mostly cause disease in compromised human or animal hosts. However, these bacteria can serve as reservoirs of resistance determinants in the community, which could lead to the emergence of novel MRSA strains. Conclusions: This is the first report of the prevalence of MRS colonization in clinically normal dogs in a community setting. Continued surveillance is indicated to determine whether MRSA will emerge in the animal population and become a concern for animal disease and zoonotic infection.
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Publication Date: 2006-11-07 PubMed ID: 17083704DOI: 10.1111/j.1472-765X.2006.02018.xGoogle Scholar: Lookup
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  • Journal Article
  • Research Support
  • Non-U.S. Gov't

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The study investigates the prevalence of methicillin-resistant staphylococcal (MRS) colonization in healthy dogs and horses in a community setting. No Methicillin-resistant Staphylococcus aureus (MRSA) was detected, but Methicillin-resistant Staphylococcus intermedius (MRSI) and Methicillin-resistant coagulase negative staphylococci (MRCoNS) were present in some animals.

Research Methodology

  • The study was conducted on a total of 300 horses and 200 dogs, all of which were clinically normal, meaning they showed no signs of disease or infection.
  • A nasal swab was collected from each horse, while two swabs were taken from each dog – one from the nose, and another from the perineal area and 0.5cm into the anus.
  • These swabs were then cultured in the lab to identify any presence of methicillin-resistant staphylococci.

Research Findings

  • No instances of the MRSA form of staphylococci were identified in any of the sampled animals.
  • MRSI was found in the nasal swabs of three out of the 200 dogs sampled.
  • MRCoNS, another strain of methicillin-resistant staphylococci, were found in 42% of the horses and 13% of the dogs.

Conclusion and Implications

  • The researchers conclude that while MRSI is currently not a significant concern for zoonotic diseases (those that can be transmitted from animals to humans), it could potentially become a key pathogen in dogs.
  • Meanwhile, MRCoNS primarily affect plants and animals that are already compromised; however, these bacteria can also act as a reservoir of resistance, potentially leading to the emergence of new MRSA strains in the community.
  • The study is the first to report on the prevalence of MRS colonization in clinically healthy dogs within a community setting.
  • Given these findings, the researchers suggest continuous surveillance to monitor if MRSA will arise in the animal population and pose a threat to animal health and zoonotic infection.

Cite This Article

APA
Vengust M, Anderson ME, Rousseau J, Weese JS. (2006). Methicillin-resistant staphylococcal colonization in clinically normal dogs and horses in the community. Lett Appl Microbiol, 43(6), 602-606. https://doi.org/10.1111/j.1472-765X.2006.02018.x

Publication

Letters in applied microbiology
ISSN: 0266-8254
NlmUniqueID: 8510094
Country: England
Language: English
Volume: 43
Issue: 6
Pages: 602-606

Researcher Affiliations

Vengust, M
  • Veterinary Faculty, University of Ljubljana, Ljubljana, Slovenia. modest.vengust@vf.uni-lj.si
Anderson, M E C
    Rousseau, J
      Weese, J S

        MeSH Terms

        • Animals
        • Dogs / microbiology
        • Horses / microbiology
        • Humans
        • Methicillin Resistance
        • Staphylococcus / drug effects
        • Staphylococcus / growth & development

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