Histopathology in tissues from dead chickens infected with FAdV JSJ13 or HBQ12 (H&E) at 6 dpi.

<p>Liver: solid arrows indicate viral inclusion bodies in liver cells, open arrows indicate congestion in hepatic sinusoid and the triangles indicate hepatocyte steatosis. Proventriculus: solid arrows indicate dropout and necrosis of the mucosal epithelia in the proventriculus. Kidney: solid arrows indicate protein casts in renal tubules and open arrows indicate extensive congestion in renal interstitium. Small intestine: solid arrows indicate villus missing, drop out and necrosis of epithelial cells, open arrows indicate subserous congestion or dilatation and congestion of blood capillary in mucosa lamina proria. Scale bar = 50μm.