Group | Challenge | % of positives out of the studied cases^ | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
5 dpi | 7–11 dpi‡ | 12 dpi | 21 dpi | Lambing | |||||||
HE | PCR | HE | PCR | HE | PCR | HE | PCR | HE | PCR | ||
A | 2 × 103† | 0/0 | 0/0 | 100/9 | 0/0 | 0/0 | 100/0 | ns | ns | 0/0 | 0/0 |
B | 5 × 102 | 0/0 | 0/0 | 100/63 | 33/0 | 0/0 | 100/0 | §100/75 | 100/100 | 0/0 | 0/0 |
Total | 0/0 | 0/0 | 100/32 | 25/0 | 0/0 | 100/0 | §100/75 | 100/100 | 0/0 | 0/0 |