Fig. 3
From: Pathogenicity comparison of duck Tembusu virus in different aged Cherry Valley breeding ducks
Histopathological changes of 55-week-old ducks. a Heterophilic granulocyte infiltration and lymphocyte reduction, spleen (400×). b Granular degeneration and necrosis of cell with hemorrhage, heart (200×). c Vacuolated degeneration and inflammatory cell infiltration, liver (200×). d Granular degeneration and interstitial hemorrhage, kidney (400×). e Vascular cuffing, brain (400×). a’, b′, c′, d’, and e’ were the normal spleen, heart, liver, kidney and brain in control group, and the magnification is 400×