Table 2.
Distribution of linezolid-resistant Enterococcus faecalis from 8 broiler breeder farms.
| Parameter | Broiler breeder farms (no. of flocks) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| A (5) | B (8) | C (15) | D (18) | E (10) | F (12) | G (8) | H (10) | Total (86) | P-value | |
| No. of E. faecalis | 10 | 35 | 49 | 76 | 33 | 34 | 25 | 35 | 297 | |
| No. of MDR1 (%) | 6 (60.0) | 8 (22.9) | 12 (24.5) | 14 (18.4) | 8 (24.2) | 10 (29.4) | 11 (44.0) | 12 (34.3) | 80 (26.9) | 0.065 |
| No. of chloramphenicol-resistance (%)2 | 0 (0.0) | 1 (2.9) | 0 (0.0) | 5 (6.6) | 4 (12.1) | 0 (0.0) | 3 (12.0) | 1 (2.9) | 14 (4.7) | 0.079 |
| No. of linezolid-resistance (%)3 | 0 (0.0) | 1 (2.9) | 0 (0.0) | 5 (6.6) | 2 (6.1) | 0 (0.0) | 2 (8.0) | 1 (2.9) | 11 (3.7) | 0.400 |
1
MDR, multidrug resistance.
2
All chloramphenicol-resistant isolates showed multidrug resistance.
3
All linezolid-resistant isolates showed chloramphenicol-resistance, simultaneously.