Table 3.
Antimicrobial resistance profile of Staphylococcus isolates to antimicrobial agents from samples tested at an academic veterinary laboratory, 2007–2012
| Group | Drug | Frequency | Percent (n/N) b |
|---|---|---|---|
| β-lactam | 26 | 28.9 (26/90) | |
| Penicillin | PenicillinG | 11 | 29.0 (11/27) |
| Ampicillin | 12 | 32.4 (12/26) | |
| Cephalosporin | Cephalothin | 1 | 2.7 (1/37) |
| Ceftiofur | 1 | 2.7 (1/37) | |
| Combination | Amoxicillin/Clavulanic acid | 1 | 2.7 (1/37) |
| Tetracycline | Doxycycline | 1 | 2.7 (1/37) |
| Fluoroquinolone | 6 | 8.6 (6/70) | |
| Enrofloxacin | 3 | 7.9 (3/35) | |
| Orbifloxacin | 3 | 7.9 (3/35) | |
| Aminoglycoside | 4 | 3.6 (4/110) | |
| Gentamicin | 1 | 2.7 (1/37) | |
| Amikacin | 1 | 2.7 (1/37) | |
| Kanamycin | 2 | 5.3 (2/36) | |
| Potentiated sulfonamide | Sulfamethoxazole/trimethoprim | 4 | 10.5 (4/34) |
| Amphenicols | Chloramphenicol | 2 | 5.2 (2/36) |
| Lincosamides | Clindamycin | 13 | 34.2 (13/25) |
| Aminoglycoside-lincosamide | Lincospectin | 12 | 31.6 (12/26) |
| Macrolide | Tylosin | 2 | 5.3 (2/36) |
b = n is the number resistant, N is number tested