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1 April 2012 Bait Trapping Linked to Higher Avian Influenza Virus Detection in Wild Ducks
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Abstract

In 2007, we assessed whether trapping method influenced apparent prevalence of low pathogenic avian influenza viruses (AIV) in wild ducks sampled during Canada’s Inter-agency Wild Bird Influenza Survey. Combined cloacal and oropharyngeal swabs were collected from 514 ducks captured by bait trapping (356) and netting from airboats (158), and tested by real-time reverse transcriptase polymerase chain reaction for influenza type A viruses. When controlling for species and capture site, ducks caught in bait traps were 2.6 times more likely to test positive for AIV compared with those netted from airboats (95% CI=1.2–6.0). If bait trapping increases AIV transmission among artificially aggregated ducks, this could have important implications for interpretation of disease surveillance results and waterfowl management programs.

Catherine Soos, E. Jane Parmley, Keith McAloney, Bruce Pollard, Emily Jenkins, Fred Kibenge, and Frederick A. Leighton "Bait Trapping Linked to Higher Avian Influenza Virus Detection in Wild Ducks," Journal of Wildlife Diseases 48(2), 444-448, (1 April 2012). https://doi.org/10.7589/0090-3558-48.2.444
Received: 4 May 2010; Accepted: 1 September 2011; Published: 1 April 2012
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