Figure 4.
Dose–response curves of antibiotic-sensitive Salmonella Typhimurium CCARM 8009 (ARST) exposed to different concentrations of chloramphenicol (a), erythromycin (b), tetracycline (c), cephalothin (d), ciprofloxacin (e), tobramycin (f) after 20 h (●) and 40 h (▲) of incubation. * indicates the significant difference within MIC at p < 0.05.