Evaluation of Veterinary-Specific Interpretive Criteria for Susceptibility Testing of Streptococcus equi Subspecies with Trimethoprim-Sulfamethoxazole and Trimethoprim-Sulfadiazine

Carmen Sadaka, Theo Kanellos, Luca Guardabassi, Joseph Boucher, Jeffrey L. Watts

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Abstract

Antimicrobial susceptibility test results for trimethoprim-sulfadiazine with Streptococcus equi subspecies are interpreted based on human data for trimethoprim-sulfamethoxazole. The veterinary-specific data generated in this study support a single breakpoint for testing trimethoprim-sulfamethoxazole and/or trimethoprim-sulfadiazine with S. equi. This study indicates trimethoprim-sulfamethoxazole as an acceptable surrogate for trimethoprim-sulfadiazine with S. equi.
Original languageEnglish
JournalJournal of Clinical Microbiology
Volume55
Issue number1
Pages (from-to)326-330
Number of pages5
ISSN0095-1137
DOIs
Publication statusPublished - Jan 2017

Keywords

  • breakpoints
  • horses
  • interpretive criteria
  • potentiated sulfonamides
  • strangles
  • veterinary microbiology

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