For the vaccination of layer and breeder birds to:
-Reduce clinical symptoms and egg production losses caused by infection with the Massachusetts serotype of IBV.
-Reduce egg production losses and egg shell quality defects caused by infection with the D274 serotype of IBV.
-Prevent mortality and clinical signs caused by Newcastle Disease.
-Prevent egg production losses and egg quality defects caused by infection with Egg Drop Syndrome Virus.
Active immunity develops within 4 weeks and lasts at least one laying period (for Infectious Bronchitis and Newcastle Disease this requires birds to have been adequately primed with live vaccines during the growing phase).