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Derzsy's Disease

Muscovy Duck Parvovirus, Gosling Plague, Goose Influenza, Infectious Myocarditis, Goose Parvovirus Infection

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.

Symptoms

Loss of appetite
Listlessness
Increased thirst
Weakness
Reluctance to move
Eye and/or nasal discharge
Headshaking
Swollen eyelids
White diarrhea
Enlarged abdomen
Penguin-like posture
Stunted growth
Skin reddening
Death in 2-5 days

Diagnosis

  • History - Age of affected birds
  • Clinical signs
  • Physical exam
  • Virus isolation
  • Serology
  • Virus neutralization
  • ELISA - for detecting viral antigen (antigen capture or double antibody sandwich)
  • PCR

Treatment

MethodMethod Summary
Supportive care

Prevention

References

Risk Factors

  • Mixing eggs from different flocks in incubators or hatchers.
  • Poor hatchery or brooder hygiene