Table 3.
MIC50, MIC90, and MIC range of lasalocid against isolates obtained from clinical cases of bovine mastitis
| Isolates species (n) | MIC (μ g/mL)
|
||
|---|---|---|---|
| MIC50 | MIC90 | MIC range | |
| Gram-positive mastitis organisms (57) | 2 | 4 | 0.5–8 |
| Streptococcus agalactiae (12) | 2 | 4 | 2–4 |
| Staphylococcus aureus (20) | 1 | 1 | 0.5–1 |
| Coagulase-negative staphylococci (14) | 1 | 2 | 0.5–2 |
| Streptococcus uberis (11) | 0.5 | 0.5 | 0.5–1 |
| MRSA (10) | 0.5 | 0.5 | 0.25–0.5 |
Abbreviations: MRSA, methicillin-resistant Staphylococcus aureus; MIC, minimum inhibitory concentration.