Infectious bronchitis is an acute and highly contagious respiratory disease of chickens characterised by respiratory signs comprising
gasping, coughing, sneezing, tracheal rales and nasal discharge.
Besides, severe respiratory distress may occur in young chickens. Respiratory distress, decrease in egg production, and loss of
internal egg quality and egg shell quality have been reported in layers. Some strains of the virus produce severe kidney damage and may be associated with high mortality. According to the current situation (worldwide distribution), it is essential to analyse and update this severe condition. The authors (highly experienced in this topic) have developed a complete review including images, tables, graphs, etc. The precise information and the atlas format make the contents more understandable and affordable for the readers.
