DAO 97:255-258 (2012)  -  DOI: https://doi.org/10.3354/dao02425

First detection of piscine reovirus (PRV) in marine fish species

Christer R. Wiik-Nielsen1,*, Marie Løvoll1, Nina Sandlund,2 Randi Faller1, Jannicke Wiik-Nielsen1, Britt Bang Jensen1

1Norwegian Veterinary Institute, PO Box 750 Sentrum, 0106 Oslo, Norway
2Institute of Marine Research, PO Box 1870 Nordnes, 5817 Bergen, Norway

ABSTRACT: Heart and skeletal muscle inflammation (HSMI) is a disease that affects farmed Atlantic salmon Salmo salar L. several months after the fish have been transferred to seawater. Recently, a new virus called piscine reovirus (PRV) was identified in Atlantic salmon from an outbreak of HSMI and in experimentally challenged fish. PRV is associated with the development of HSMI, and has until now only been detected in Atlantic salmon. This study investigates whether the virus is also present in wild fish populations that may serve as vectors for the virus. The virus was found in few of the analyzed samples so there is probably a more complex relationship that involves several carriers and virus ­reservoirs.

KEY WORDS: Heart and skeletal muscle inflammation · HSMI · Transmission · Reovirus · Wild marine fish species · Farmed fish · PCR

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Cite this article as: Wiik-Nielsen CR, Løvoll M, Sandlund N, Faller R, Wiik-Nielsen J, Bang Jensen B (2012) First detection of piscine reovirus (PRV) in marine fish species. Dis Aquat Org 97:255-258. https://doi.org/10.3354/dao02425

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