Monitoring infection with Piscine myocarditis virus and development of cardiomyopathy syndrome in farmed Atlantic salmon (Salmo salar L.) in Norway

© 2019 The Authors. Journal of Fish Diseases Published by John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Journal of fish diseases. - 1998. - 42(2019), 4 vom: 01. Apr., Seite 511-518
1. Verfasser: Svendsen, Julie Christine (VerfasserIn)
Weitere Verfasser: Nylund, Stian, Kristoffersen, Anja B, Takle, Harald, Fossberg Buhaug, Julia, Jensen, Britt Bang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Journal of fish diseases
Schlagworte:Journal Article Piscine myocarditis virus Atlantic salmon cardiomyopathy syndrome cohort study epidemiology field investigation piscine myocarditis RNA, Viral
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520 |a An epidemiological study was carried out in Norway in 2015-2018, investigating the development of infection with Piscine myocarditis virus (PMCV) and development of cardiomyopathy syndrome (CMS) in farmed Atlantic salmon. Cohorts from 12 sites were followed and sampled every month or every other month from sea transfer to slaughter. PMCV was detected at all sites and in all sampled cages, and fish in six sites developed clinical CMS. The initial infection happened between 1 and 7 months post-sea transfer, and the median time from infection with PMCV until outbreak of CMS was 6.5 months. Generally, fish from sites with CMS had higher viral titre and a higher prevalence of PMCV, compared to sites that did not develop clinical CMS. The virus persisted until the point of slaughter at most (11 out of 12) of the sites. The detection of PMCV in all sites suggests that PMCV is more widespread than previously known. Screening for PMCV as a tool to monitor impending outbreaks of CMS must be supported by observations of the health status of the fish and risk factors for development of disease 
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700 1 |a Nylund, Stian  |e verfasserin  |4 aut 
700 1 |a Kristoffersen, Anja B  |e verfasserin  |4 aut 
700 1 |a Takle, Harald  |e verfasserin  |4 aut 
700 1 |a Fossberg Buhaug, Julia  |e verfasserin  |4 aut 
700 1 |a Jensen, Britt Bang  |e verfasserin  |4 aut 
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