Histopathological and ultrastructural changes associated with herpesvirus infection in waterfowl

Duck virus enteritis is an acute contagious viral disease affecting birds of the order Anseriformes (ducks, geese and swans). The disease agent is a member of the Herpesviridae family (Anatidae herpes virus 1). A group of Anseriformes waterfowl from a Nature Reserve and Centre for the Recovery of Endangered Species in Spain suffered an outbreak of the disease, affecting adults, young and newborns. Other non-Anseriformes waterfowl such as coots, from the family Rallidae, order Gruiformes, were also affected. Histopathological and ultrastructural findings confirmed the viral infection. The present study provides evidence that birds different from the order Anseriformes can be affected, suggesting that the virus has the ability to infest other non-Anseriformes waterfows.

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