Table 2.
A general antibiogram showing percent antimicrobial susceptibility of Gram-positive bacteria isolated from a veterinary teaching hospital in Indiana, the United States in 2015 and grouped at genus level.
| Staphylococcus spp. | Streptococcus spp. | Corynebacterium spp. | Enterococcus spp. | |
|---|---|---|---|---|
| Number of Isolates | 170 | 64 | 30 | 65 |
| Antimicrobial | ||||
| Amikacin | 89% | 84% | 93% | 0% |
| Amoxicillin/clavulanic acid | 84% | 100% | 59% | 72% |
| Ampicillin | 16% | 95% | 38% | 72% |
| Cefazolin | 85% | 100% | 50% | 0% |
| Cefovecin | 80% | 95% | 48% | 0% |
| Cefoxitin | 84% | 95% | 41% | 0% |
| Cefpodoxime | 80% | 95% | 38% | 0% |
| Ceftiofur | 81% | 97% | 53% | 0% |
| Cephalothin ** | 100% | 100% | ||
| Chloramphenicol | 86% | 92% | 80% | 88% |
| Clindamycin ¥ | 68% | 90% | 69% | 0% |
| Doxycycline | 67% | 78% | 90% | 51% |
| Enrofloxacin | 72% | 34% | 38% | 6% |
| Erythromycin ¥ | 68% | 3% | 63% | 31% |
| Gentamycin | 76% | 92% | 87% | 2% |
| Imipenem | 85% | 100% | 59% | 74% |
| Marbofloxacin | 79% | 60% | ||
| Oxacillin + 2%NACL | 85% | 98% | 21% | 6% |
| Penicillin | 0% | 92% | 0 | 69% |
| Ticarcillin | 75% | 97% | 60% | 15% |
| Ticarcillin/clavulanic acid | 84% | 97% | 52% | 18% |
| Trimethoprim/sulfamethoxazole | 75% | 94% | 87% | 3% |
** Number of isolates tested for cephalothin susceptibility were as follows: Staphylococcus spp. = 105, Streptococcus spp. = 55. ¥ indicates the drug is primarily used for Gram-positive organisms. Grey-shading indicates that susceptibility to a drug was not tested with that organism.