Table 4.
Resistance profiles for Gordonia species mastitis isolates (n = 21).
| Frequency of resistance by | Phenotype of resistance | Number of isolates | Sum of multidrug-resistant isolates | |
|---|---|---|---|---|
| Active substance | Antimicrobial group | |||
| 1 | 1 | CLI | 7 | |
| 2 | 2 | CLI, COT | 6 | |
| 2 | 2 | CLI, TET | 2 | |
| 3 | 2 | PNC, CFV, CLI | 1 | 0 |
| 3 | 3 | PNC, CLI, COT | 2* | |
| 3 | 3 | CLI, TET, COT | 1* | |
| 4 | 3 | PNC, CFV, CLI, COT | 2* | 5 |
CLI clindamycin, COT sulfamethoxazole/trimethoprim, TET tetracycline, PNC penicillin G, CFV cefovecin; *Multidrug resistant isolates, i.e. resistance to ≥ 3 groups of antimicrobials.