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Please use this identifier to cite or link to this item: http://hdl.handle.net/10793/1288

Title: Phylogenetic analysis of infectious pancreatic necrosis virus in Ireland reveals the spread of a virulent genogroup 5 subtype previously associated with imports
Authors: Ruane, N.M.
McCleary, S.J.
McCarthy, L.J.
Henshilwood, K.
Keywords: IPNV
Birnavirus
Aquaculture
Atlantic salmon
Phylogeny
Issue Date: 2015
Publisher: Springer Verlag
Citation: Ruane, N.M., McCleary, S.J., McCarthy, L.J. and Henshilwood, K. (2015). Phylogenetic analysis of infectious pancreatic necrosis virus in Ireland reveals the spread of a virulent genogroup 5 subtype previously associated with imports. Archives of virology, 160(3), pp. 817–824 DOI: 10.1007/s00705-014-2307-9
Series/Report no.: Archives of virology;160(3)
Abstract: Infectious pancreatic necrosis is a significant disease of farmed salmonids resulting in direct economic losses due to high mortality and disease-management costs. Significant outbreaks of the disease occurred in farmed Atlantic salmon in Ireland between 2003 and 2007, associated with imported ova and smolts. As the virus was known to occur in the country since the development of aquaculture in the 1980s, this study examined archived samples to determine whether these older isolates were associated with virulent forms. The study showed that two genotypes of IPNV were present in the 1990s, genotype 3 and genotype 5. A more virulent subtype of the virus first appeared in 2003 associated with clinical outbreaks of IPN, and this subtype is now the most prevalent form of IPNV found in the country. The data also indicated that IPNV in Ireland is more closely related to Scottish and continental European isolates than to Norwegian, Chilean and Australasian genogroup 5 isolates.
Description: Peer-reviewed. The final publication is available at Springer via DOI: 10.1007/s00705-014-2307-9
URI: http://hdl.handle.net/10793/1288
ISSN: 0304-8608
Appears in Collections:Fish Health

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