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Hampered foraging and migratory performance in swans infected with low-pathogenic avian influenza A virus

van Gils, Jan A., Munster, Vincent J., Radersma, Reinder, Liefhebber, Daan, Fouchier, Ron A. M. and Klaassen, Marcel 2007, Hampered foraging and migratory performance in swans infected with low-pathogenic avian influenza A virus, Plos one, vol. 2, no. 1, e184, pp. 1-6.

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Title Hampered foraging and migratory performance in swans infected with low-pathogenic avian influenza A virus
Author(s) van Gils, Jan A.
Munster, Vincent J.
Radersma, Reinder
Liefhebber, Daan
Fouchier, Ron A. M.
Klaassen, MarcelORCID iD for Klaassen, Marcel orcid.org/0000-0003-3907-9599
Journal name Plos one
Volume number 2
Issue number 1
Season e184
Start page 1
End page 6
Publisher Public Library of Science
Place of publication San Francisco, Calif.
Publication date 2007-01
ISSN 1932-6203
Summary It is increasingly acknowledged that migratory birds, notably waterfowl, play a critical role in the maintenance and spread of influenza A viruses. In order to elucidate the epidemiology of influenza A viruses in their natural hosts, a better understanding of the pathological effects in these hosts is required. Here we report on the feeding and migratory performance of wild migratory Bewick's swans (Cygnus columbianus bewickii Yarrell) naturally infected with low-pathogenic avian influenza (LPAI) A viruses of subtypes H6N2 and H6N8. Using information on geolocation data collected from Global Positioning Systems fitted to neck-collars, we show that infected swans experienced delayed migration, leaving their wintering site more than a month after uninfected animals. This was correlated with infected birds travelling shorter distances and fuelling and feeding at reduced rates. The data suggest that LPAI virus infections in wild migratory birds may have higher clinical and ecological impacts than previously recognised.
Notes This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Language eng
Field of Research 060299 Ecology not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Plos One
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30035098

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.