Table 1.
Antibiotic susceptibility patterns for the mastitis-associated bacteria (S—sensitive, I—intermediate, R—resistant). AMX, moxycillin; AMP, ampicillin; CRO, ceftriaxone; ENR, enrofloxacin; ERY, erythromycin; LIN, lincomycin; NEO, neomycin; PEN, penicillin; STR, streptomycin; TET, tetracycline; AMC, amoxicillin/clavulanic acid; NB, novobiocin; SXT, trimethoprim/sulfamethoxazole; CLO, cloxacillin.
| Bacterial Strains Culture | AMX | AMP | CRO | ENR | ERY | GEN | LIN | NEO | PEN | STR | TET | AMC | NB | SXT | CLO |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Streptococcus spp. β heamoliticus | S | S | S | S | S | R | S | R | R | S | S | S | S | R | R |
| Staphylococcus spp. | R | R | R | R | R | I | R | R | R | S | R | R | R | R | R |
| Staphylococcus spp. | R | R | R | R | R | I | R | R | R | S | R | R | R | R | R |
| Staphylococcus spp. coagulase negative | S | S | I | S | S | S | S | S | R | S | S | S | S | S | R |
| Staphylococcus spp. | R | R | R | R | I | S | R | R | R | S | R | R | R | R | R |
| Streptococcus spp. β heamoliticus | I | R | S | S | R | S | R | S | R | S | I | S | I | S | R |
| E. coli | R | R | R | S | R | S | R | S | R | S | R | R | R | S | R |
| E. coli | R | R | R | S | R | S | R | S | R | S | I | R | R | S | R |
| Streptococcus spp. β heamoliticus | R | R | S | S | R | S | R | S | R | S | R | S | R | R | R |
| Klebsiella oxytoca | R | R | S | S | R | S | R | S | R | S | R | R | R | S | R |
| E. coli | R | R | R | S | R | S | R | S | R | S | I | R | R | S | R |
| Staphylococcus spp. | R | R | I | S | R | S | I | R | R | S | R | S | R | R | R |
| E. coli | R | R | R | S | R | S | R | S | R | S | R | R | R | S | R |
| Enterobacter sakazakii | R | R | R | S | R | S | R | S | R | S | S | R | R | S | R |
| Staphylococcus aureus | I | R | S | S | S | S | S | S | R | S | S | S | S | S | R |
| E. coli | I | R | S | S | R | S | R | S | R | S | I | S | R | S | R |
| Streptococcus uberis | S | S | I | S | I | S | R | R | R | S | S | S | R | R | R |
| E. coli | I | R | S | S | R | S | R | S | R | S | S | S | R | S | R |
| Staphylococcus aureus | I | R | S | S | S | S | S | S | R | S | S | S | S | S | R |
| Streptococcus dysgalactiae | S | R | R | S | I | I | R | R | R | S | R | S | I | R | R |
| Staphylococcus spp. | S | S | S | S | S | S | R | R | R | R | R | S | R | R | R |