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Home / Equine Research Bank / Can Vet J / [Evolution of bacterial resistance to certain antibacterial ...
The Canadian veterinary journal = La revue veterinaire canadienne2004; 44(12); 978-981;

[Evolution of bacterial resistance to certain antibacterial agents in horses in a veterinary hospital].

Abstract: Evolution of bacterial resistance to certain antibacterial agents in horses in a veterinary hospital. A total of 255 antibiograms, conducted according to the Kirby-Bauer method from bacterial isolates collected from horses at the Hôpital Vétérinaire d'Enseignement at the Université de Montréal between 1996 and 1998 were compared with the results obtained about 10 years ago with corresponding bacterial species. A significant increase in the percentage of strains resistant to trimethoprim-sulfamethoxazole (TMP-SXT), penicilline, tetracycline, and to gentamicin was observed. The percentages of isolates of Actinobacillus spp. and coagulase-positive staphylococci resistant to TMP-SXT increased from 0% to 17% and from 0% to 33%, respectively, (P < 0.05). The percentage of isolates of Actinobacillus spp resistant to penicilline also increased from 33% to 73% (P < 0.05). Regular monitoring of the evolution of bacterial resistance to antibacterial agents is indispensable in a hospital structure. The adoption of "good antibiotherapy practices" is essential to guarantee a decrease in the risks of selection and dissemination of a resistant bacterial strain. Evolution of bacterial resistance to certain antibacterial agents in horses in a veterinary hospital. A total of 255 antibiograms, conducted according to the Kirby-Bauer method from bacterial isolates collected from horses at the Hôpital Vétérinaire d'Enseignement at the Université de Montréal between 1996 and 1998 were compared with the results obtained about 10 years ago with corresponding bacterial species. A significant increase in the percentage of strains resistant to trimethoprim-sulfamethoxazole (TMP-SXT), penicilline, tetracycline, and to gentamicin was observed. The percentages of isolates of Actinobacillus spp. and coagulase-positive staphylococci resistant to TMP-SXT increased from 0% to 17% and from 0% to 33%, respectively, (P < 0.05). The percentage of isolates of Actinobacillus spp resistant to penicilline also increased from 33% to 73% (P < 0.05). Regular monitoring of the evolution of bacterial resistance to antibacterial agents is indispensable in a hospital structure. The adoption of "good antibiotherapy practices" is essential to guarantee a decrease in the risks of selection and dissemination of a resistant bacterial strain.
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Publication Date: 2004-01-02 PubMed ID: 14703083PubMed Central: PMC2831622
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  • English Abstract
  • Journal Article

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 research article discusses an observed evolution of bacterial resistance in horses to certain antibacterials within a veterinary hospital, and emphasizes on the necessity for frequent monitoring and adequate antibiotherapy practices.

Research Method and Findings

In the research, a total of 255 antibiograms were taken into account. These were conducted according to the Kirby-Bauer method, a popular method employed in microbiology to determine the susceptibility of bacteria towards particular antibiotics. Bacterial isolates, sourced from horses at the Hôpital Vétérinaire d’Enseignement at Université de Montréal, spanning the years between 1996 and 1998 were examined. The results of these were then compared with similar bacterial species outcomes received around a decade prior.

The findings pointed to a significant increase in the percentage of bacterial strains displaying resistance to certain anti-bacterials. These include:

  • Trimethoprim-sulfamethoxazole (TMP-SXT)
  • Penicillin
  • Tetracycline
  • Gentamicin

Resistance Increase

The research highlighted steep rises in resistance within select bacterial species, including Actinobacillus spp. and coagulase-positive staphylococci to TMP-SXT. Their resistance increased from 0% to 17%, and 0% to 33% respectively. A marked increase was also witnessed in Actinobacillus spp. strains against penicillin, with resistance rising from 33% to 73%.

Recommendations

The study underscores the essential need for regular monitoring of bacterial resistance to antibacterials within a hospital structure. Alongside such surveillance, the paper advocates the adoption of effective “antibiotherapy practices.” This is necessary to ensure a decrease in the risks of the selection and spread of a bacterial strain resistant to anti-bacterials.

Cite This Article

APA
Peyrou M, Higgins R, Lavoie JP. (2004). [Evolution of bacterial resistance to certain antibacterial agents in horses in a veterinary hospital]. Can Vet J, 44(12), 978-981.

Publication

The Canadian veterinary journal = La revue veterinaire canadienne
ISSN: 0008-5286
NlmUniqueID: 0004653
Country: Canada
Language: fre
Volume: 44
Issue: 12
Pages: 978-981

Researcher Affiliations

Peyrou, Mathieu
  • Département de sciences cliniques, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe (Québec) J2S 7C6.
Higgins, Robert
    Lavoie, Jean-Pierre

      MeSH Terms

      • Animals
      • Anti-Bacterial Agents / pharmacology
      • Bacteria / drug effects
      • Bacteria / growth & development
      • Bacterial Infections / drug therapy
      • Bacterial Infections / veterinary
      • Coagulase / metabolism
      • Drug Resistance, Bacterial
      • Drug Resistance, Multiple, Bacterial
      • Horse Diseases / drug therapy
      • Horses
      • Microbial Sensitivity Tests / veterinary

      Citations

      This article has been cited 3 times.
      1. Marshall K, Marsella R. Evolution of the Prevalence of Antibiotic Resistance to Staphylococcus spp. Isolated from Horses in Florida over a 10-Year Period. Vet Sci 2023 Jan 18;10(2).
        doi: 10.3390/vetsci10020071pubmed: 36851375google scholar: lookup
      2. Malo A, Cluzel C, Labrecque O, Beauchamp G, Lavoie JP, Leclere M. Evolution of in vitro antimicrobial resistance in an equine hospital over 3 decades. Can Vet J 2016 Jul;57(7):747-51.
        pubmed: 27429463
      3. Symoens A, Gauthier ML, Paillette L, Allano M, Lavoie JP, Leclère M. Evolution of in vitro antimicrobial resistance at an equine hospital over 4 decades. Can Vet J 2025 Aug;66(8):903-910.
        pubmed: 40786736
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