Fig. 6

Pathological changes in the liver of pigeons inoculated with the isolate CH/BJ/1/2022. Significant liver enlargement and patchy hemorrhage in the liver were observed in the infected group (A & B), along with diffuse liver necrosis involving basophilic and eosinophilic inclusion bodies in hepatocyte nuclei (D & E). Pigeons in the control group exhibited normal liver morphology (C & F)