Avian hepatitis-E-virus infection in chickens – Part 1

Avian hepatitis-E-virus infection is a disease of broiler breeders and table-egg layers. Infections may be subclinical or associated with low mortality and mild decreases in egg production. This article is the first part of a two-part description in which the disease is described for the first time extensively. By Dr Tahseen Aziz , Rollins Animal Disease Diagnostic Laboratory and Dr H. John Barnes, College of Veterinary Medicine, NC State University, both in Raleigh, North Carolina, USA