Cyprinid herpesvirus-2 (CyHV-2): a comprehensive review

Raja Swaminathan, T and Nithianantham, Sundar Raj and Dharmaratnam, Arathi and Kumar, Raj and Pradhan, P K and Sumithra, T G and Sood, Neeraj (2020) Cyprinid herpesvirus-2 (CyHV-2): a comprehensive review. Reviews in Aquaculture, 13 (2). pp. 796-821. ISSN 1753-5131

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Cyprinid herpesvirus-2 (CyHV-2) is a linear double-stranded DNA virus in the genus Cyprinivirus of family Alloherpesviridae. The virus is known to be highly pathogenic to ornamental goldfish (Carassius auratus), crucian carp (C. carassius) and Gibel carp (C. auratus gibelio), and also to the hybrids of goldfish and other carps. Cyprinid herpesvirus-2, having the smallest genome (290.3 kb) among Cyprinivirus, causes herpesviral hematopoietic necrosis disease (HVHND) that results in huge economic losses in aquaculture industry as the disease can cause high mortality (50–100%) among the affected fish. The disease was initially reported as the cause of epizootics in juvenile goldfish of Japan during 1992 and 1993. To date, this disease has been reported around the world including Europe, North America, Oceania and Asia. Huge economic losses due to the CyHV-2 infection among cultured gibel carp in China, during 2011–2012, mass mortality in crucian carp during 2012 in Italy, 95% mortality in goldfish during 2014 in France, 85% mortality in goldfish during 2016 in Poland had been reported. Strategies for controlling the spread of CyHV-2 are thus urgently required to limit economic damage. Furthermore, the review will shed light on lacunae in current knowledge as well as on the perspectives that merits further investigations on CyHV-2 research. The paper forms the first comprehensive overview of CyHV-2 causing a serious economically significant fish disease and, will be helpful for the researchers to get all related information from a single manuscript.

Item Type: Article
Uncontrolled Keywords: CyHV-2; Cyprinid herpesvirus-2; Carassius sp; herpesviral; haematopoietic necrosis; goldfish haematopoietic necrosis virus
Subjects: Fish and Fisheries > Fish Disease
Fish and Fisheries > Fish Pathology
Fish Biotechnology
Divisions: CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
Subject Area > CMFRI > CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
Subject Area > CMFRI-Kochi > Marine Biotechnology, Fish Nutrition and Health Division
Depositing User: Arun Surendran
Date Deposited: 30 Nov 2021 04:56
Last Modified: 30 Nov 2021 04:56

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