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Waterfowl from northwestern Minnesota were sampled by cloacal swabbing for Avian Influenza Virus (AIV) from July-October in 2007 and 2008. AIV was detected in 222 (9.1%) of 2,441 ducks in 2007 and in 438 (17.9%) of 2,452 ducks in 2008. Prevalence of AIV peaked in late summer. We detected 27 AIV subtypes during 2007 and 31 during 2008. Ten hemagglutinin (HA)(More)
Quantitative measurements of habitat structure reported in the literature that may be related to use by select avian species: (a) vegetation height at nest sites or within breeding territories of wetland nesting species, (b) water depth at nest sites or within breeding territories of wetland nesting species, (c) water depth at foraging sites, (d) visual(More)
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