Bronchiolitis Obliterans Organizing Pneumonia in Swine Associated with Porcine Circovirus Type 2 Infection
Figure 2
Confirmation of PCV 2 antigen in BOOP lesion. PCV 2 antigen signals appeared strong positive in the foamy alveolar macrophages ((a)-(b), arrow head) and intraluminal plugs of two representing BOOP lesions. The other lung sections in five individual BOOP pigs revealed the similar results (, six replicates in each individual pig; ).