●●● Antimicrobial Susceptibility Testing ●●●● ●●●●● ●●●● ●●0●● A. Dilution test ●●●0 Antimicrobial drug concentrations (ug/ml) ●●●● No visible growth 64 32 16 0.5 MIC 4 ug/ml 7. Minimum inhibitory Agar test concentration(MIC) 8. Minimum bactericidal concentration(MBC): 99.9% decrease in growth MBC= 32 over 24 hours gar plateAntimicrobial Susceptibility Testing 7. Minimum inhibitory concentration (MIC) 8. Minimum bactericidal concentration (MBC): 99.9% decrease in growth over 24 hours