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Derzsy’s disease, also referred to as Muscovy duck parvovirus, is a highly contagious disease of domestic goslings and muscovy ducklings, caused by a type of parvovirus. The disease can present in acute, subacute or chronic form. Clinical signs differ depending on the form of the disease.
Transmission
Derzsy’s disease is spread to birds vertically (from breeder duct to egg), and horizontally (from direct contact with an infected bird or indirect contact through environmental contamination of an infected bird's feces. Survivors of the disease and goslings that were initially infected when they were older then 4 weeks of age can often become persistent carriers of the virus.
Isolate the bird from the flock and place in a safe, comfortable, warm location (your own duck "intensive care unit") with easy access to water and food. Limit stress. Call your veterinarian.
