Fig. 1
Number of E_ coli strains resistant to more than two antibiotics
| Number of antibiotics: | Percentage of resistant bacteria (number of strains out of the total 25): |
|---|---|
| 3 | 12% (3) |
| 4 | 16% (4) |
| 5 | 20% (5) |
| 6 | 28% (7) |
| 7 | 8% (2) |
| 8 | 12% (3) |
| 9 | 4% (1) |
Number of isolated colistin-resistant E_ coli in the flocks treated with colistin sulphate and those not treated
| Number of flocks (n) | Percentage of flocks | Number of flocks carryingmcr-1 gene (n) | Percentage of flocks carrying mcr-1 gene | |
|---|---|---|---|---|
| Not treated ( flocks not treated with colistin sulphate | 71 | 44.94% | 8 | 11.27% |
| Treated ( flocks treated with colistin sulphate | 87 | 55.06% | 17 | 19.54% |
| Total | 158 | 100.00% | 25 | 15.82% |