Skip to main content

Table 3 Histological, immunohistochemical (IHC) and virologic (RT-PCR) findings of the placentomes from 6 heifers in early pregnancy and fetal organs

From: Transmission of border disease virus from a persistently infected calf to seronegative heifers in early pregnancy

  

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

  1. IHC immunohistochemical staining with antibody C16/15C5.
  2. I inflammation, F fibrosis, N necrosis.
  3. NA Not applicable.