Figure 2From: Transmission of border disease virus from a persistently infected calf to seronegative heifers in early pregnancy Immunohistochemical staining of a placentome. Immunohistochemical staining of a placentome from heifer 5 (Dako EnVision staining system, antibody 15C5, hemalaun counterstain). The cytoplasm of pestivirus-positive fetal cells is stained red (arrows).Back to article page