Two turkey flocks in Ontario were detected with avian metapneumovirus (aMPV) subtype B, with one of the flocks experiencing high mortality.
This is the first confirmation of the aMPV subtype B in poultry flocks in the Ontario. Avian metapneumovirus infection (Turkey viral rhinotracheitis) is an immediately notifiable disease which requires all veterinary laboratories in Ontario to notify OMAFRA when the virus is identified by a laboratory test.