Figure 3From: Reproduction in porcine circovirus type 2 (PCV2) seropositive gilts inseminated with PCV2b spiked semenHistological and immunohistochemical changes in the placenta of a PCV2b-infected porcine foetus. a: Coagulation necrosis of trophoblasts. Haematoxylin and eosin, Obj. 40x. b: Immunohistochemical staining of PCV2b antigen in trophoblasts. Diaminobenzidine chromogen and haematoxylin counterstain, Obj. 40x. Photographs represent serial sections of a lesion with intralesional immunopositivity for PCV2 antigen.Back to article page