Infectious bronchitis (IB) is a highly contagious respiratory problem characterized by respiratory, digestive, reproductive and renal infections in domestic
poultry and wild avian species [1]. It hits the flock at any age but the young
flocks are considered more prone to the disease. The disease is clinically manifested by tracheal rales, nasal discharge and sneezing, coughing, loss of body
weight, sinusitis, increased water intake, depression, lethargy and poor growth in
broilers