Table 3.
Histological, immunohistochemical (IHC) and virologic (RT-PCR) findings of the placentomes from 6 heifers in early pregnancy and fetal organs
| Finding | |||||
|---|---|---|---|---|---|
| Heifer | Histology | IHC | RT-PCR | Fetal infectious status | |
| 1 | Heifer | Negative | Negative | Negative | NA |
| Fetus | Negative | Negative | One organ weakly positive | Not infected | |
| 2 | Heifer | Negative | Negative | Positive | NA |
| Fetus | Negative | Negative | Partially positive | Transiently infected | |
| 3 | Heifer | I, F | Positive | Positive | NA |
| Fetus | Negative | Positive | Positive | Persistently infected | |
| 4 | Heifer | I, F, N | Positive | Positive | NA |
| Fetus | Negative | Positive | Positive | Persistently infected | |
| 5 | Heifer | I, F, N | Positive | Positive | NA |
| Fetus | Negative | Positive | Positive | Persistently infected | |
| 6 | Heifer | Negative | Negative | Partially positive | NA |
| Fetus | Negative | Negative | Partially positive | Transiently infected | |
IHC immunohistochemical staining with antibody C16/15C5.
I inflammation, F fibrosis, N necrosis.
NA Not applicable.