Journal
ACTA VETERINARIA BRNO
Volume 82, Issue 1, Pages 3-7Publisher
VETERINARNI A FARMACEUTICKA UNIVERZITA BRNO
DOI: 10.2754/avb201382010003
Keywords
Antimicrobial resistance; minimal inhibition concentration; respiratory diseases; pigs
Categories
Funding
- Ministry of Agriculture of the Czech Republic [QH 71051, QH 71053, MZE 0002716202]
- Ministry of Education, Youth and Sports of the Czech Republic [ED0006/01/01 AdmireVet]
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Pasteurella multocida and Haemophilus parasuis pig isolates obtained in the Czech Republic were tested for their susceptibility against selected antimicrobial agents by broth microdilution method between 2008 and 2011. A low degree of resistance was observed for ampicillin, amoxicillin/clavulanic acid, ceftiofur, tulathromycin, tilmicosin, florfenicol and enrolloxacin in 20 (6.0%), 15 (4.5 %), 2 (0.6%), 8 (2.4%), 13 (3.9%), 5 (1.5%) and 5 (1.5%) P multocida isolates as well as for tiamulin, gentamicin, tulathromycin, tilmicosin and ampicillin in 2 (2.4%), 2 (2.4%), 3 (3.6%), 3 (3.6%) and 6 (7.2%) H. parasuis isolates. In addition, moderate level of resistance to tiamulin was found in 60 (18.1%) P multocida isolates and high level of resistance for tetracycline was detected in 107 (32.2 %) P multocida isolates and in 23 (27.7%) H. parasuis isolates. Differences between resistance rates of P. multocida and H. parasuis were significant (P <= 0.5) only for tiamulin. These data confirmed that antimicrobial resistance is not very widespread among current porcine P multocida and H. parasuis isolates in the Czech Republic.
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