Table 3.
Resistance of isolates from dogs with otitis in France over the period 2012–2016
| Bacterium | Antibiotic | Number of resistant isolates | Total number of isolates | Level of resistance (%) with 95% CI | Resistance trend from GAM model |
|---|---|---|---|---|---|
| Staphylococcus pseudintermedius | Penicillin G | 1650 | 2409 | 68.5 (66.6–70.3) | Non-linear |
| Cefovecin | 112 | 1187 | 9.4 (7.8–11.2) | – | |
| Erythromycin | 716 | 2401 | 29.8 (28.0–31.7) | Stationary | |
| Gentamicin | 337 | 2491 | 13.5 (12.2–14.9) | Stationary | |
| Enrofloxacin | 274 | 2115 | 13.0 (11.6–14.5) | Non-linear | |
| Fusidic acid | 108 | 1757 | 6.1 (5.2–7.4) | – | |
| Chloramphenicol | 196 | 700 | 38.9 (34.6–43.3) | – | |
| SXTa | 297 | 2432 | 12.2 (10.9–13.6) | Stationary | |
| Staphylococcus aureus | Penicillin G | 190 | 268 | 70.9 (65.1–76.3) | – |
| Cefoxitin | 26 | 246 | 10.6 (7.0–15.1) | – | |
| Erythromycin | 80 | 265 | 30.2 (24.7–36.1) | – | |
| Gentamicin | 36 | 278 | 12.9 (9.2–17.5) | – | |
| Enrofloxacin | 32 | 267 | 12.0 (8.3–16.5) | – | |
| Fusidic acid | 17 | 148 | 11.5 (6.8–17.8) | – | |
| Chloramphenicol | 37 | 119 | 31.1 (22.9–40.2) | – | |
| SXTa | 28 | 274 | 10.2 (6.9–14.4) | – | |
| Streptococcus spp. | Oxacillin | 112 | 778 | 14.4 (12.0–17.1) | – |
| Erythromycin | 253 | 1021 | 24.8 (22.2–27.5) | – | |
| Gentamicin | 26 | 790 | 3.3 (2.2–4.8) | – | |
| Enrofloxacin | 627 | 997 | 62.9 (59.8–65.9) | – | |
| Chloramphenicol | 89 | 252 | 35.3 (29.4–41.6) | – | |
| SXTa | 210 | 1013 | 20.7 (18.3–23.4) | – | |
| Pseudomonas aeruginosa | Gentamicin | 375 | 2096 | 17.9 (16.3–19.6) | Stationary |
| Enrofloxacin | 1352 | 1996 | 67.7 (65.6–69.8) | Non-linear | |
| Proteus mirabilis | Amoxicillin | 284 | 982 | 28.9 (26.1–31.9) | – |
| Ceftiofur | 24 | 987 | 2.4 (1.6–3.6) | – | |
| Gentamicin | 106 | 1034 | 10.3 (8.5–12.3) | – | |
| Enrofloxacin | 134 | 1013 | 13.2 (11.2–15.5) | – | |
| SXT | 232 | 1015 | 22.9 (20.3–25.6) | – |
a
Trimethoprim-sulfamethoxazole; ‘–’: no analysis performed (<25 isolates per time step).