Pathological changes shedding pattern and cytokines responses in chicks infected with avian influenza-H9N2 and/or infectious bronchitis viruses

摘要

Histopathological examination in organs of infected chicks: – refer to tracheas of groups 2, 3 and 4, respectively. – refer to lungs of groups 2, 3 and 4, respectively. – refer to kidneys of groups 2, 3 and 4, respectively. – refer to Spleens of groups 2, 3 and 4, respectively. Magnifications 20×