Temperature
|
Time (h)
|
Transmission rate (diseased/total)
|
Mean incubation time ± SD (days)
|
Log reduction of infectivity
|
Log reduction of PMCA50
|
---|
140°C
|
1
|
100% (6/6)
|
304 ± 13*,‡
|
1.54
|
2.75
|
|
3
|
83% (5/6)
|
382 ± 64, >790
|
>3.0
|
4.0
|
160°C
|
1
|
67% (4/6)
|
471 ± 80*,†, >790
|
>3.0
|
3.5
|
|
3
|
17% (1/6)
|
514, >790
|
>3.0
|
6.0
|
180°C
|
1
|
100% (6/6)
|
380 ± 25†,‡
|
>3.0
|
3.25
|
|
3
|
0% (0/6)
|
>790
|
>3.0
|
6.75
|
- *,†,‡ Significant differences (*: p < 0.01; †, ‡: p < 0.05) were observed among mice with respect to the mean incubation times as indicated by identical superscript character.