Prevention of the disease may be achieved by adopting stringent biosecurity measures, vaccinating birds, ensuring good sanitation, using all-in-all-out management systems and ensuring new stock are quarantined before entering the flock. | Prevention of the disease may be achieved by adopting stringent biosecurity measures, vaccinating birds, ensuring good sanitation, using all-in-all-out management systems and ensuring new stock are quarantined before entering the flock. |