20.02.2023

Avian Diseases 67, 2023

West Nile virus (WNV) is a zoonotic, mosquito-borne member of the genus Flavivirus. Transmission is associated with mosquito activity. Mosquitoes of the genus Culex are the main vectors of WNV.  A new report t highlights two outbreaks of WNV infection in Pekin breeder ducks, as a cause of drop in egg production.
This is the first report to associate WNV infection with a drop in egg production in waterfowl, which are known to be important reservoir species.