Page 12 - Disease Manual of Japfa
P. 12
Infectious Bronchitis (IB)
Caused by : Corona virus
Age of infection : 3 to 6 weeks.
Symptoms : Marked depression, respiratory signs & high mortality
PM lesions :
Exess mucus in respiratory tract.
Air sacs cloudy,thickened.
Plug in lower trachea or bronchi.
Kidney swollen, pale & distended tubules are white with urates.
Swollen kideny
Plug in trachea
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