TABLE 3.

Selective effect of antibiotics on the growth of bacteria isolated from blood

AntibioticaCountsb on day:
05791113
None (control)5100120140160200
Bacitracin560110120130150
Polymyxin B5210000
  • a Bacitracin and polymyxin B were both used at a concentration of 100 μg/ml.

  • b All counts were the numbers of bacilli in 50 fields after aerobic incubation at 30°C.