Table 3.
Minimal inhibitory concentrations of antibiotics for Campylobacter jejuni and Campylobacter coli
| Antibiotic | Isolated strains | Number of strains with given MIC (µg/ml) at given concentration of antibiotic | Number of resistant strains/total strains | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≥256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 | 0.5 | ≤0.25 | |||
| AML | C. jejuni | 8 | 1 | 1 | 1 | 8 | 12 | 9/31 | |||||
| C. coli | 5 | 2 | 1 | 1 | 8 | 8/17 | |||||||
| AMP | C. jejuni | 8 | 1 | 2 | 1 | 1 | 6 | 6 | 6 | 12/31 | |||
| C. coli | 5 | 3 | 2 | 1 | 1 | 5 | 10/17 | ||||||
| CIP | C. jejuni | 2 | 1 | 2 | 1 | 3 | 5 | 5 | 4 | 2 | 6 | 25/31 | |
| C. coli | 2 | 2 | 1 | 1 | 1 | 5 | 1 | 2 | 2 | 15/17 | |||
| CN | C. jejuni | 4 | 1 | 6 | 4 | 1 | 3 | 2 | 10 | 16/31 | |||
| C. coli | 1 | 3 | 1 | 3 | 2 | 1 | 1 | 2 | 3 | 11/17 | |||
| TE | C. jejuni | 7 | 2 | 5 | 5 | 1 | 2 | 1 | 8 | 20/31 | |||
| C. coli | 6 | 1 | 3 | 4 | 2 | 1 | 16/17 | ||||||
| C | C. jejuni | 3 | 1 | 2 | 6 | 8 | 5 | 1 | 5 | 4/31 | |||
| C. coli | 4 | 2 | 1 | 4 | 3 | 1 | 2 | 6/17 | |||||
| E | C. jejuni | 15 | 1 | 7 | 1 | 4 | 3 | 16/31 | |||||
| C. coli | 11 | 2 | 1 | 3 | 11/17 | ||||||||
| S | C. jejuni | 2 | 9 | 2 | 6 | 5 | 3 | 4 | 11/31 | ||||
| C. coli | 2 | 1 | 4 | 2 | 2 | 4 | 2 | 3/17 | |||||
AML: amoxicillin; AMP: ampicillin; C: chloramphenicol; CIP: ciprofloxacin; CN: gentamicin; E: erythromycin; S: streptomycin; TE: tetracycline.