Duck virus hepatitis,
Information received on 28/05/2019 from Dr Dwight Walrond , Deputy Chief Executive Officer, Administration, Guyana Livestock Developement Authority(Ministry of Agriculture), Georgetown, Guyana
Report type Immediate notification
Date of start of the event 24/03/2019
Date of confirmation of the event 28/03/2019
Report date 28/05/2019
Date submitted to OIE 28/05/2019
Reason for notification First occurrence of a listed disease in the country
Causal agent Duck hepatitis A virus
Nature of diagnosis Suspicion, Clinical, Necropsy
This event pertains to a defined zone within the country
New outbreaks (1)
Outbreak 1 Region 6, 6, East berbice, East Berbice-Corentyne
Date of start of the outbreak 24/03/2019
Outbreak status Continuing (or date resolved not provided)
Epidemiological unit Farm
Affected animals
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 34000 4000 1120 13362 0
Affected population 1-2 weeks old muscovy ducklings.
Summary of outbreaks Total outbreaks: 1
Total animals affected
Species Susceptible Cases Deaths Killed and disposed of Slaughtered
Birds 34000 4000 1120 13362 0
Outbreak statistics
Species Apparent morbidity rate Apparent mortality rate Apparent case fatality rate Proportion susceptible animals lost*
Birds 11.76% 3.29% 28.00% 42.59%
*Removed from the susceptible population through death, destruction and/or slaughter
Source of the outbreak(s) or origin of infection
  • Unknown or inconclusive
  • Illegal movement of animals
Epidemiological comments Disease is limited to one group of farmers who conduct business between each other (selling of ducklings and adult ducks for market).
Control measures
Measures applied
  • Movement control inside the country
  • Surveillance outside containment and/or protection zone
  • Surveillance within containment and/or protection zone
  • Screening
  • Quarantine
  • Official destruction of animal products
  • Official disposal of carcasses, by-products and waste
  • Control of wildlife reservoirs
  • Disinfection
  • Vaccination prohibited
  • No treatment of affected animals
Measures to be applied
  • No other measures
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.
Map of outbreak locations