Table 1.
Challenge groups | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 |
---|---|---|---|---|---|
DPC | Conc. (EID50/0.2 ml) | ||||
3 | 5.107 × 104 | 4.621 × 104 | Not detectable | 5.401 × 102 | 3.269 × 105 |
7 | 1.811 × 105 | 7.084 × 104 | Not detectable | 3.145 × 101 | 6.053 × 105 |
10 | 2.161 × 105 | 9.697 × 103 | Not detectable | Not detectable | Dead |
14 | Dead | 7.079 × 103 | Not detectable | Not detectable | Dead |
DPC days post challenge, EID50 embryo infective dose 50%