| emaciation and larval filarioid nematode infection in boreal owls (aegolius funereus). | microfilariae are considered non-pathogenic in wild birds. the objective of the current communication is to report host reactions to microfilarial infection of unusual intensity in emaciated boreal owls (aegolius funereus). an unusually large number of boreal owls (n = 21) were submitted to the canadian cooperative wildlife health center-quebec region for post-mortem examination during the winter of 2009. nineteen out of 21 birds were considered emaciated based on atrophy of adipose tissue and p ... | 2012 | 22834547 |