Isolation and Pathogenicity Analysis of a Novel Orthoreovirus Caused the Outbreak of Duck Viral Arthritis in China

Figure 5

Histopathological changes in different organs. Routine HE staining and histopathological changes were observed under light microscopy. Magnification is 100x. (a) Massive erythrocyte sludge in the spleen tissue, necrosis, and necrotic foci was mechanized; (b) swelling of liver cells, necrosis, and destruction of parenchymal structure; (c) large red blood cells in the bursa of Fabricius tissue; (d) widening and rupture of tendon fibers, structural destruction of tendon fibers; (e–h) corresponding tissue control.

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