sentence: Duck enteritis virus ( DEV , anatid alphaherpesvirus 1 species ) , clustered in mardivirus genus , alphaherpesvirinae subfamily , Herpesviridae family according to the latest report of the International Committee on Taxonomy of Viruses ( ICTV ) [ 1 ] , causes considerable economic losses to the commercial duck industry and poses a continuous threat to wild and migratory waterfowl populations ( e.g ., ducks , geese and swans ) due to their high mortality and decreased egg production rates [ 2 ] .