Antimicrobial resistance in Escherichia coli and Staphylococcus spp. isolated from dogs and cats

Review

Authors

DOI:

https://doi.org/10.31533/pubvet.v20n5e1947

Keywords:

Companion animals, epidemiological surveillance, ESBL, multidrug-resistant bacteria, MRSP

Abstract

Antimicrobial resistance (AMR) constitutes one of the main challenges in veterinary medicine, especially in small animal practice. In dogs and cats, bacterial infections caused by Escherichia coli and Staphylococcus spp. have shown an increasing occurrence of resistant and multidrug-resistant strains, compromising therapeutic efficacy. The objective of this review was to critically analyze the literature on antimicrobial resistance in these microorganisms, with emphasis on the antimicrobials commonly used in veterinary routine practice and the clinical implications from a One Health perspective. The review was conducted in a systematized manner, using searches in the databases PubMed, SciELO, Google Scholar, and CAPES Journal Portal, covering studies published between 2001 and 2025. The analyzed studies demonstrated an increase in resistance to β-lactams, fluoroquinolones, and other widely used antimicrobials, in addition to the dissemination of resistance genes associated with mobile genetic elements. It is concluded that the rational use of antimicrobials, combined with culture and antimicrobial susceptibility testing, as well as microbiological surveillance, is essential to contain the expansion of AMR and preserve therapeutic efficacy in veterinary medicine.

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Published

2026-05-30

Issue

Section

Medicina veterinária

How to Cite

1.
Parisi L, Silva AR, Santos LA dos, Ferreira LM, Souza SLP de. Antimicrobial resistance in Escherichia coli and Staphylococcus spp. isolated from dogs and cats: Review. Pubvet [Internet]. 2026 May 30 [cited 2026 Oct. 20];20(05):e1947. Available from: https://ojs.pubvet.com.br/index.php/revista/article/view/4592