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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1111/jfd.12323
|2 doi
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|a eng
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| 100 |
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|a Kurath, G
|e verfasserin
|4 aut
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|a Atlantic salmon, Salmo salar L. are broadly susceptible to isolates representing the North American genogroups of infectious hematopoietic necrosis virus
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|c 2016
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 13.12.2016
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Published 2014. This article is a U.S. Government work and is in the public domain in the USA.
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|a Beginning in 1992, three epidemic waves of infectious hematopoietic necrosis, often with high mortality, occurred in farmed Atlantic salmon Salmo salar L. on the west coast of North America. We compared the virulence of eleven strains of infectious hematopoietic necrosis virus (IHNV), representing the U, M and L genogroups, in experimental challenges of juvenile Atlantic salmon in freshwater. All strains caused mortality and there was wide variation within genogroups: cumulative mortality for five U-group strains ranged from 20 to 100%, four M-group strains ranged 30-63% and two L-group strains varied from 41 to 81%. Thus, unlike Pacific salmonids, there was no apparent correlation of virulence in a particular host species with virus genogroup. The mortality patterns indicated two different phenotypes in terms of kinetics of disease progression and final per cent mortality, with nine strains having moderate virulence and two strains (from the U and L genogroups) having high virulence. These phenotypes were investigated by histopathology and immunohistochemistry to describe the variation in the course of IHNV disease in Atlantic salmon. The results from this study demonstrate that IHNV may become a major threat to farmed Atlantic salmon in other regions of the world where the virus has been, or may be, introduced
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|a Journal Article
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|a Atlantic salmon
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|a fish virus
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|a host specificity
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|a infectious hematopoietic necrosis virus
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|a Winton, J R
|e verfasserin
|4 aut
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|a Dale, O B
|e verfasserin
|4 aut
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| 700 |
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|a Purcell, M K
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| 700 |
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|a Falk, K
|e verfasserin
|4 aut
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| 700 |
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|a Busch, R A
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of fish diseases
|d 1998
|g 39(2016), 1 vom: 02. Jan., Seite 55-67
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|x 1365-2761
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|g volume:39
|g year:2016
|g number:1
|g day:02
|g month:01
|g pages:55-67
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|u http://dx.doi.org/10.1111/jfd.12323
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