Table 1 Mean incubation time of TgBoPrP mice following intracerebral inoculation of titrated bovine spongiform encephalopathy (BSE)-infected spinal cord homogenate
10% Homogenate dilution | Transmission rate (diseased/total) | Mean incubation time ± SD (days) |
|---|---|---|
100 | 100% (7/7) | 242 ± 14 |
10–1 | 100% (7/7) | 279 ± 12 |
10–2 | 100% (5/5) | 322 ± 42 |
10–3 | 100% (6/6) | 367 ± 53 |
10–4 | 33% (2/6) | 736, 736, >790 |
10–5 | 17% (1/6) | 735, >790 |
10–6 | 0% (0/6) | >790 |