Isolation of influenza a viruses from wild ducks and feathers in Minnesota (2010-2011)

Camille Lebarbenchon, Rebecca Poulson, Kelly Shannon, Jeremiah Slagter, Morgan J. Slusher, Benjamin R. Wilcox, James Berdeen, Gregory A. Knutsen, Carol J. Cardona, David E. Stallknecht

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

We investigated the feasibility of testing feathers as a complementary approach to detect low pathogenic influenza A viruses (IAVs) in wild duck populations. Feathers on the ground were collected at four duck capture sites during 2010 and 2011, in Minnesota, U. S. A. IAVs were isolated from both feathers and cloacal swabs sampled from ducks at the time of capture. Although virus isolation rates from feather and cloacal swabs were inconsistent between collections, the overall rate of isolation was greatest from the feather samples. Viruses isolated from feathers also reflected the subtype diversity observed in cloacal swab isolates but resulted in many more isolates that contained more than one virus. Our study suggests that testing feathers may represent an alternative noninvasive approach to recover viruses and estimate subtype abundance and diversity.

Original languageEnglish (US)
Pages (from-to)677-680
Number of pages4
JournalAvian diseases
Volume57
Issue number3
DOIs
StatePublished - Sep 2013

Keywords

  • Minnesota
  • avian influenza
  • mallard
  • subtype diversity
  • virus isolation
  • wild birds

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