Table 2.
Average values of histological scoring in placenta and foetal viscera from each group
| Group | dpi | Placenta | Foetal brain | Foetal liver | Foetal lung | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. foci/cm2 | ASF (mm2) | %LES | No. foci/cm2 | ASF (mm2) | %LES | No. foci/cm2 | ASF (mm2) | %LES | No. foci/cm2 | ASF (mm2) | %LES | ||
| G1 | – | – | – | – | – | – | – | – | – | – | – | – | |
| G2 | – | – | – | – | – | – | – | – | – | – | – | – | |
| G3 | 19 | – | – | – | – | – | – | 0.58 | 0.024 | 0.01 | 1.65 | 0.01 | 0.01 |
| G1 | 26 | 0.52 | 0.02 | 0.01 | 5.53 | 0.01 | 0.08 | 2.72 | 0.06 | 0.20 | 25.43 | 0.04 | 0.93 |
| G2 | 26 | 0.91 | 0.05 | 0.05 | 12.96 | 0.03 | 0.31 | 8.71 | 0.05 | 0.58 | 16.10 | 0.06 | 0.90 |
| G3 | 20–26a | nab | na | na | 1.20 | 0.02 | 0.02 | 6.23 | 0.03 | 0.23 | 3.76 | 0.03 | 0.13 |
aStillbirths occurred at 21, 22 and 26 dpi.
bThe placenta from stillbirths was too autolytic to allow histological evaluation. dpi: days post infection when abortion occurred. ASF: Average size of focus. %LES: Percentage of section affected by lesions.