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Disinfection efficacy of PlyC versus Virkon-S. PlyC (hatched bars) or Virkon-S (solid bars) was tested at final concentrations between 1 mg/ml (0.1%) and 10 ng/ml (0.000001%) in the presence of 1 × 108 CFU of S. equi 9528 (Smr) for 30 min at 25°C. Residual CFU were enumerated on blood agar plates containing 200 μg/ml streptomycin to evaluate disinfectant efficacy. Note, the manufacturer recommends Virkon-S to be used as a 1% solution. Error bars show standard deviations of triplicates.
