TABLE 2.

MICs of various antimicrobial agents obtained for the clinical isolates and their transconjugants

StrainaMIC (μg/ml) of:
AmpicillinPiperacillinPiperacillin + tazobactamCeftazidimeCeftazidime + clavulanateCefotaximeCefotaxime + clavulanateAztreonamCefoxitinImipenemGentamicinTobramycinCiprofloxacinCotrimoxazoleChloramphenicol
Salmonella Typhim. 9197>512512140.25640.1251620.125>256>2560.016>644
Salmonella Enterit. 33/01>512>512180.51280.253220.125>256>2560.016>644
R+ (Salmonella Typhim. 9197)>512128110.1258≤0.03420.125>2561280.25164
R+ (Salmonella Enterit. 33/01)>512128110.12516≤0.03420.125>2561280.25164
E. coli A15 nal2110.060.06≤0.03≤0.03≤0.0320.1250.5≤0.1250.250.064
E. coli ATCC 259224210.1250.1250.06≤0.030.12520.0610.50.0080.1254
S. choleraesuis ATCC 14028≤1210.1250.125≤0.03≤0.030.0620.12510.50.030.064
  • a R+, transconjugant. Typhim., serovar Typhimurium; Enterit., serovar Enteritidis.