Hosts | Source | Inoculum | Passage | Survival periods (days)b | Range (days) | Proportion of PrPSc micec | |
---|---|---|---|---|---|---|---|
Brain | Spleen | ||||||
ICR [14] | L-BSE/cattle [18] | Brain | 1 | 651 ± 153 | 322–953 | 0/35 | 0/35 |
ICR | L-BSE/cattle passaged in ICR mice | Brain | 2 | 666 ± 198 | 386–937 | 0/10 | 0/10 |
C57BL/6d | L-BSE/cattle [18] | Brain | 1 | 713 ± 42 | 673–757 | 0/5 | 0/5 |
ICR | L-BSE/sheep [16] | Brain | 1 | 569 ± 262 | 172–1012 | 1/15 | 9/15 |
ICR | L-BSE/sheep passaged in ICR mice | Spleen | 2 | 691 ± 61 | 639–765 | 6/6 | 6/6 |
TgBoPrP | L-BSE/cattle [18] | Brain | 1 | 195 ± 6 | 187-211 | 18/18 | 0/18 |
TgBoPrP | L-BSE/cattle passaged in TgBoPrP mice | Brain | 2 | 152 ± 2 | 148-155 | 24/24 | 0/24 |
TgBoPrP | L-BSE/sheep [16] | Brain | 1 | 249 ± 28 | 234-298 | 5/5 | 0/5 |
TgBoPrP | L-BSE/sheep passaged in TgBoPrP mice | Brain | 2 | 269 ± 17 | 248-305 | 13/13 | 0/13 |