Table 8. Antibacterial efficacy of peracetic acid B on carcasses and contaminated water

Classification 50 ppm 100 ppm 150 ppm 200 ppm SEM p-value
Before treatment Carcasses General bacteria 4,525.0 4,525.0 4,525.0 4,525.0 9.71 0.99
Escherichia coli 665.0 665.0 665.0 665.0 17.21 0.97
Contaminated water General bacteria 3.6×108 3.6×108 3.6×108 3.6×108 1.4×107 0.97
E. coli 3.8×107 3.6×107 3.6×107 3.6×107 1.7×106 0.98
After treatment Carcasses General bacteria 1,051.5b 996.5c 774.0b 341.0b 195.14 <0.05
E. coli 247.5b 224.0b 100.0b 51.7b 44.04 <0.05
Contaminated water General bacteria 1.8×108b 1.7×108b 1.3×108b 1.2×108a 2.4×107 0.07
E. coli 1.5×107a 1.1×107b 9.5×106a 6.1×106b 3.6×106 <0.05
Redution rate (%)1) Carcasses General bacteria 76.81bc 78.65b 82.91b 92.56a 7.00 <0.05
E. coli 62.82b 66.37b 85.01ab 92.25a 14.27 <0.05
Contaminated water General bacteria 51.27b 52.91b 62.95b 66.00b 7.31 0.06
E. coli 61.44b 69.22ab 73.41ab 82.96a 8.97 <0.05
Each values are mean±SD of at least three repeated experiments.
(Initial bacterial count – Count of bacteria after 10 min) / Initial bacterial count × 100.
Values with different letters within a row are different at p<0.05.