Muscovy duck (Cairina moschata) reovirus (DRV) is the causative agent of Muscovy duck Liver white spots disease,a newly recognized Muscovy duck disease of economic importance,characterized by apathy,weak foot.

• 禽(番鸭)呼肠孤病毒(Muscovy duck reovirus, DRV)是新近发现的番鸭“肝白点病或花肝病”的病原。