Table 2

Antibiotic resistance patterns of bacteria isolated from lower respiratory samples

% resistant isolates
Bacterial species Growth level P AMP SXT CEF TE ENR MAR CN S C E RD
Escherichia coli Moderate/profuseN/A25000002576.60N/AN/A
TotalN/A9.128.6042.90014.377.80N/AN/A
Pasteurella speciesModerate/profuseN/A016.7000023570N/AN/A
TotalN/A9.114.3005026.357.90N/AN/A
Pseudomonas speciesModerate/profuseN/A84.6808050505.712.575.865N/AN/A
TotalN/A80.958.369.230.846.22.610.976.267.6N/AN/A
Coagulase-negative staphylococciModerate/profuse76.6N/A0034.70000000
Total75N/A0033.30000000
Streptococcus equi subspecies equi Moderate/profuse0N/A500100N/AN/A100100000
Total0N/A25066.7N/AN/A100100000
Streptococcus equi subspecies zooepidemicus Moderate/profuse0N/A30090.9N/AN/A1001000040
Total0N/A21.4092.9N/AN/A1001000030
TotalModerate/profuse2935.234.326.229.911.51.613.953.19.514.947.4
Total30.534.332.524.128.8123.116.856.71318.237.3
  • Moderate growth: colonies on sectors 1–3; profuse growth: colonies on all 4 sectors.

  • Results are shown as percentage of resistant isolates per total number of isolates tested.

  • AMP, ampicillin; C, chloramphenicol; CEF, ceftiofur; CN, gentamicin; E, erythromycin; ENR, enrofloxacin; MAR, marbofloxacin; N/A, not available; P, penicillin; RD, rifampicin; S, streptomycin; SXT, trimethoprim-sulfamethoxazole; TE, tetracycline.