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Table 2 Viability (%) and plate count results of the preliminary dose effect experiment with and without exposure to benzalkonium chloride

From: Effect of subinhibitory exposure to quaternary ammonium compounds on the ciprofloxacin susceptibility of Escherichia coli strains in animal husbandry

E. coli isolate  BKC concentration (g/L)
   0.00000.006750.013500.02700
KL6Viability (%)Live97.1571.3846.4923.16
Intermediate0.6121.5722.5975.39
Dead2.066.9430.891.43
Plate counts (log CFU/mL) 8.778.618.08>  4.00
KQ26Viability (%)Live97.6454.7335.670.34
Intermediate0.358.3214.4798.20
Dead1.6036.4549.701.41
Plate counts (log CFU/mL) 9.158.818.164.71
VA57Viability (%)Live92.1384.3336.223.64
Intermediate1.442.0412.0294.33
Dead5.4613.4451.621.94
Plate counts (log CFU/mL) 8.978.777.956.02
ATCC 10536Viability (%)Live96.9778.2645.630.87
Intermediate0.888.6422.4798.36
Dead1.9312.5831.700.75
Plate counts (log CFU/mL) 8.987.697.233.87
  1. CFU colony forming units, BKC benzalkoniumchloride