Antimicrobial susceptibility of Haemophilus parasuis and Histophilus somni from pigs and cattle in Denmark

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Abstract

A total of 52 Haemophilus parasuis and 80 Histophilus somni isolates were tested for antimicrobial susceptibility by MIC-determinations. None of the isolates were resistant to ampicillin, ceftiofur, ciprofloxacin, erythromycin, florphenicol, penicillin, spectinomycin, tetracycline, tiamulin, or tilmicosin. Two H. parasuis isolates were resistant to trimethoprim + sulfamethoxazole. Six H. parasuis isolates had reduced susceptibility (0.06-0.5 mug/ml) to ciprofloxacin and 10 reduced susceptibility to TMP + sulfamethoxazole (1-2 mug/ml). This study showed that Danish isolates of H. parasuis and H. somni in general are fully susceptible to antimicrobial agents currently used for treatment of infections with these pathogens. (C) 2004 Elsevier B.V. All rights reserved.
Original languageEnglish
JournalVeterinary Microbiology
Volume101
Issue number2
Pages (from-to)143-146
ISSN0378-1135
DOIs
Publication statusPublished - 21 Jun 2004

Keywords

  • susceptibility testing
  • Haemophilus parasuis
  • Histophilus somni

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