Natural co-infection of fowl adenovirus type E-8b and avian hepatitis E virus in parental layer breeders in Hebei, China

Virol Sin. 2023 Apr;38(2):317-320. doi: 10.1016/j.virs.2023.01.004. Epub 2023 Jan 19.

¹ China Institute of Veterinary Drug Control, Beijing, 100081, China.
² College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an City, 271018, China.
³ China Institute of Veterinary Drug Control, Beijing, 100081, China. Electronic address: w2000j1980@hotmail.com.
⁴ College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an City, 271018, China. Electronic address: zhaopeng@sdau.edu.cn.

Abstract

•
Co-infection of fowl adenovirus (FAdV) and avian hepatitis E virus (aHEV) was observed in layer breeders.
•
All three main genes of FAdV isolate share high homology with the E-8b type.
•
ORF2 from aHEV showed homology with VaHEV strain from Hy-line LCFs in China.