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The interpretive categories and MIC breakpoints (μg/mL) for both E. coli and Enterococcus and selected antimicrobials. The (*) indicates breakpoints were obtained from CLSI guidelines 2012–2013. The other breakpoints were obtained from CLSI guidelines 2021 [14,15].
| Interpretive Categories and MIC Breakpoints, | ||
|---|---|---|
| µg/mL | ||
| Antimicrobial Agent |
E. coli, R |
Enterococcus, R |
| Ampicillin | ≥32 | ≥16 |
| Ceftiofur Hydrochloride * | ≥8 | ≥8 |
| Tetracycline | ≥16 | ≥16 |
