Table 2.
Characterization according to resistance patterns by antibiotic family of E. coli isolated from feces of red kites from low- and high-intensity farming areas in central Spain.
| Livestock Intensification | |||
|---|---|---|---|
| Resistance Pattern by Antibiotic Family a | Low (Madrid) No. (%) | High (Segovia) No. (%) | Total No. (%) |
| Susceptible | 4 (9.09) | – | 4 (5.06) |
| A | 1 (2.27) | 3 (8.57) | 4 (5.06) |
| B | 4 (9.09) | – | 4 (5.06) |
| T | 1 (2.27) | – | 1 (1.27) |
| A-B | 13 (29.55) | 5 (14.29) | 18 (22.78) |
| A-Q | 1 (2.27) | – | 1 (1.27) |
| A-S | 1 (2.27) | – | 1 (1.27) |
| A-T | 2 (4.55) | – | 2 (2.53) |
| B-T | 1 (2.27) | – | 1 (1.27) |
| A-B-Q | 1 (2.27) | – | 1 (1.27) |
| A-B-S | 1 (2.27) | – | 1 (1.27) |
| A-B-T | 6 (13.64) | 12 (34.29) | 18 (22.78) |
| B-S-T | – | 1 (2.86) | 1 (1.27) |
| A-B-Q-T | 1 (2.27) | 1 (2.86) | 2 (2.53) |
| A-B-S-T | 5 (11.36) | 12 (34.29) | 17 (21.52) |
| A-Q-S-T | 1 (2.27) | – | 1 (1.27) |
| A-B-Q-S-T | 1 (2.27) | 1 (2.86) | 2 (2.53) |
| Total | 44 (100) | 35 (100) | 79 (100) |
a A= aminoglycosides, B = β-lactams, Q = quinolones, S= sulfonamides, T = tetracyclines.