| Source of variance | Enterobacteriacae 37˚C | E. coli 44˚C | S. aureus 37˚C | Cl. perfringens 37˚C | Salmonella sp./25g | L. monocytogenes/25g | |
| (cfu・g−1) | (cfu・g−1) | (cfu・g−1) | (cfu・g−1) | (+ or -) | (+ or -) | ||
| Treatment (T) | * | ns | - | - | - | - | |
| Season (S) | ** | ns | - | - | - | - | |
| T × S | * | ns | - | - | - | - | |
| Treatment | |||||||
| T1 | 53 | b | 0 | nd | nd | - | - |
| T2 | 387 | b | 0 | nd | nd | - | - |
| T3 | 3183 | a | 967 | nd | nd | - | - |
| T4 | 0 | b | 0 | nd | nd | - | - |
| T5 | 115 | b | 0 | nd | nd | - | - |
| T6 | 198 | b | 35 | nd | nd | - | - |
| T7 | 980 | b | 0 | nd | nd | - | - |
| T8 | 0 | b | 0 | nd | nd | - | - |
| Season | |||||||
| Autumn | 0 | 0 | nd | nd | - | - | |
| Summer | 1229 | 250 | nd | nd | - | - | |
| T × S | |||||||
| T1 Autumn | 0 | b | 0 | nd | nd | - | - |
| T1 Summer | 107 | b | 0 | nd | nd | - | - |
| T2 Autumn | 0 | b | 0 | nd | nd | - | - |
| T2 Summer | 773 | b | 0 | nd | nd | - | - |
| T3 Autumn | 0 | b | 0 | nd | nd | - | - |
| T3 Summer | 6367 | a | 1933 | nd | nd | - | - |
| T4 Autumn | 0 | b | 0 | nd | nd | - | - |
| T4 Summer | 0 | b | 0 | nd | nd | - | - |
| T5 Autumn | 0 | b | 0 | nd | nd | - | - |
| T5 Summer | 230 | b | 0 | nd | nd | - | - |
| T6 Autumn | 0 | b | 0 | nd | nd | - | - |
| T6 Spring | 397 | b | 70 | nd | nd | - | - |
| T7 Autumn | 0 | b | 0 | nd | nd | - | - |
| T7 Spring | 1960 | b | 0 | nd | nd | - | - |
| T8 Autumn | 0 | b | 0 | nd | nd | - | - |
| T8 Spring | 0 | b | 0 | nd | nd | - | - |