TABLE 2.
MICs of metals and a metalloid against all Aeromonas isolates (n = 104)
| Metal or metalloid | MIC (mM)
|
Resistant strains (%) | |||
|---|---|---|---|---|---|
| Breakpoint (reference) | Range | 50% | 90% | ||
| NaAsO2 | 6 (11) | 0.375-12 | 0.62 | 2.52 | 7.7 |
| K2CrO4 | 1.6 (36) | 0.4a | 0.4 | 0.4 | 0 |
| CoCl2 · 6H2O | 20.2 (52) | 0.125-0.25 | 0.125 | 0.125 | 0 |
| CuSO4 | 12.6 (47) | 0.125-0.25 | 0.125 | 0.125 | 0 |
| HgCl2 | 0.025 (42) | 0.003-0.1 | 0.003 | 0.006 | 3.8 |
| NiSO4 · 6H2O | 4.5 (52) | 0.125-0.25 | 0.125 | 0.125 | 0 |
| ZnSO4 · 7H2O | 11 (17) | 0.125a | 0.125 | 0.125 | 0 |
a
One hundred percent of isolates were inhibited at the lowest concentration tested.