Table 2.
Distribution of the minimal inhibitory concentration values for 170 C. coli isolates collected from broiler batches.
| Number of C. coli isolates with minimal inhibitory concentrations (μg/μL)1 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Antibiotic | 0,12 | 0,25 | 0,5 | 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 |
| Gentamicin | 106 | 49 | 8 | 5 | 1 | 1 | |||||
| Streptomicyn | 1 | 120 | 30 | 19 | |||||||
| Erythromycin | 38 | 33 | 33 | 22 | 6 | 31 | 7 | ||||
| Tetracycline | 34 | 15 | 6 | 1 | 1 | 89 | 24 | ||||
| Ciprofloxacin | 1 | 2 | 134 | 5 | 28 | ||||||
| Nalidixic acid | 1 | 1 | 11 | 157 | |||||||
1Full vertical lines indicate epidemiological break points for resistance described by European Committee on Antimicrobial Susceptibility Testing (EUCAST, 2015).