Persistent Infection of Avian Pneumovirus (APV) in Turkeys

Shin, Hyun-jin

Korean Journal of Veterinary Research 2001;41(4):523-528.

Hyun-jin Shin

College of Veterinary Medicine, University of Minnesota

칠면조에서 Avian Pneumovirus(APV)의 지속 감염에 대한 연구

신현진

미네소타 수의과대학, Pathobiology과

Abstract

The persistent infection of avian pneumovirus (APV) was studied in turkeys. After APV infection to turkeys, healthy birds were transferred to infected birds and commingled at 4 days, 3 weeks, 6 weeks, 9 weeks, and 15 weeks post-infection. The genome of APV was detected up to 10 days from two birds transferred and commingled with infected birds at 3 weeks post-infection. A bird transferred at 6 weeks post-infection was positive in RT-PCR detection after 5 days. From then on, no bird showed positive results of persistency of APV infection. These findings suggest that persistent APV infection may spread to the healthy birds from the infected birds until several weeks.

Key Words: Avian pneumovirus, persistent infection, turkey, RT-PCR