Inoculum |
N/N0a |
Survival rate (%) |
Mean time of survival (days) |
Sterilized distilled water |
0/6 |
100 |
>453 |
1% SBH without heat treatment |
4/4 |
0 |
168.5 |
1% SBH* |
6/6 |
0 |
255.7 |
1% SBH* + 2 μg/mL Tk-subtilisin |
6/6 |
0 |
262.7 |
1% SBH* + 1 % SDS |
1/6 |
83.3 |
>420 |
1% SBH* + 2 μg/mL Tk-subtilisin + 1% SDS |
0/6 |
100 |
>453 |
|
aN/N0, number of mice that developed infection per number of inoculated mice.
*Samples were heat treated at 100°C for 1 hr. |
Table 1: Survival times for mice infected with scrapie (Chandler strain). |