Mortality and weight loss of Atlantic salmon, Salmon salar L., experimentally infected with salmonid alphavirus subtype 2 and subtype 3 isolates from Norway

© 2014 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 38(2015), 12 vom: 17. Dez., Seite 1047-61
1. Verfasser: Taksdal, T (VerfasserIn)
Weitere Verfasser: Jensen, B Bang, Böckerman, I, McLoughlin, M F, Hjortaas, M J, Ramstad, A, Sindre, H
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Research Support, Non-U.S. Gov't pancreas disease salmon salmonid alphavirus sleeping disease subtype
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520 |a Pancreas disease (PD) caused by salmonid alphavirus (SAV) has a significant negative economic impact in the salmonid fish farming industry in northern Europe. Until recently, only SAV subtype 3 was present in Norwegian fish farms. However, in 2011, a marine SAV 2 subtype was detected in a fish farm outside the PD-endemic zone. This subtype has spread rapidly among fish farms in mid-Norway. The PD mortality in several farms has been lower than expected, although high mortality has also been reported. In this situation, the industry and the authorities needed scientific-based information about the virulence of the marine SAV 2 strain in Norway to decide how to handle this new situation. Atlantic salmon post-smolts were experimentally infected with SAV 2 and SAV 3 strains from six different PD cases in Norway. SAV 3-infected fish showed higher mortality than SAV 2-infected fish. Among the SAV 3 isolates, two isolates gave higher mortality than the third one. At the end of the experiment, fish in all SAV-infected groups had significantly lower weight than the uninfected control fish. This is the first published paper on PD to document that waterborne infection produced significantly higher mortality than intraperitoneal injection 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a pancreas disease 
650 4 |a salmon 
650 4 |a salmonid alphavirus 
650 4 |a sleeping disease 
650 4 |a subtype 
700 1 |a Jensen, B Bang  |e verfasserin  |4 aut 
700 1 |a Böckerman, I  |e verfasserin  |4 aut 
700 1 |a McLoughlin, M F  |e verfasserin  |4 aut 
700 1 |a Hjortaas, M J  |e verfasserin  |4 aut 
700 1 |a Ramstad, A  |e verfasserin  |4 aut 
700 1 |a Sindre, H  |e verfasserin  |4 aut 
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