ecological determinants of avian influenza virus, west nile virus, and avian paramyxovirus infection and antibody status in blue-winged teal (anas discors) in the canadian prairies.the canadian prairies are one of the most important breeding and staging areas for migratory waterfowl in north america. hundreds of thousands of waterfowl of numerous species from multiple flyways converge in and disperse from this region annually; therefore this region may be a key area for potential intra- and interspecific spread of infectious pathogens among migratory waterfowl in the americas. using blue-winged teal (anas discors, bwte), which have the most extensive migratory range among ...201626540179
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