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Case study of vertical transmission of ostreid herpesvirus-1 in Pacific oysters and biosecurity management based on epidemiological data from French, New Zealand and Australian hatchery-propagated seed

Trotter, AJ, Vignier, J, Wilson, TK, Douglas, M, Adams, SL, King, N, Cunningham, MP, Carter, CG ORCID: 0000-0001-5210-1282, Boudry, P, Petton, B, Degremont, L, Smith, GG ORCID: 0000-0002-8677-1230 and Pernet, F 2021 , 'Case study of vertical transmission of ostreid herpesvirus-1 in Pacific oysters and biosecurity management based on epidemiological data from French, New Zealand and Australian hatchery-propagated seed' , Aquaculture Research , pp. 1-6 , doi: 10.1111/are.15219.

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Abstract

In recent decades, mortality caused by ostreid herpesvirus (OsHV-1)and a variant (OsHV-1μvar) has severely impacted the productionof Pacific oyster, Crassostrea gigas, chronologically in France, NewZealand (NZ) and Australia (Jenkins et al., 2013; Keeling et al., 2014;Segarra et al., 2010). This study was conceived based on observationsmade in several commercial hatcheries and research institutesin these countries where vertical transmission of OsHV-1μvar hasbeen absent or extremely rare. We have collated data from the productionof Pacific oysters across these countries to assess the riskassociated with breeding oysters from broodstock grown in OsHV-1μvar-infectedwaters. The aim is to provide a reference point forregulatory authorities to use when developing or updating biosecuritymanagement policy associated with the hatchery production ofPacific oysters.

Item Type: Article
Authors/Creators:Trotter, AJ and Vignier, J and Wilson, TK and Douglas, M and Adams, SL and King, N and Cunningham, MP and Carter, CG and Boudry, P and Petton, B and Degremont, L and Smith, GG and Pernet, F
Keywords: biosecurity, Crassostrea gigas, epidemiology, ostreid herpesvirus (OsHV-1), oyster farming, vertical transmission
Journal or Publication Title: Aquaculture Research
Publisher: Blackwell Publishing Ltd
ISSN: 1355-557X
DOI / ID Number: 10.1111/are.15219
Copyright Information:

Copyright 2021 John Wiley & Sons Ltd.

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