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.