Background Avian metapneumovirus subtype C (aMPV/C) causes severe upper respiratory disease in turkeys. was closely related to the G gene of aMPV/C Colorado reference virus. Three-day-old commercial or SPF turkeys were inoculated oculonasally with wild bird aMPV/C P3 isolates. At 5 and 7 days post-inoculation (DPI) severe clinical signs were observed in both of the… Continue reading Background Avian metapneumovirus subtype C (aMPV/C) causes severe upper respiratory disease