2010
DOI: 10.2903/j.efsa.2010.1894
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Scientific Opinion on the increased mortality events in Pacific oysters,Crassostrea gigas

Abstract: In the summer of 2008 and 2009, severe mortality events in cultured Pacific oyster were reported from the main European producing countries. The European Commission requested EFSA to assess the relative importance of possible causes, including infectious agents with special focus on Ostreid herpesvirus 1 (OsHV‐1) µvar and environmental factors. An assessment of the role of other mollusc species and the risks posed by transference of adult Pacific oysters from affected to unaffected areas was also requested. Th… Show more

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Cited by 72 publications
(15 citation statements)
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References 90 publications
(119 reference statements)
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“…In France, higher mortality is now routinely reported in C. gigas spat and juveniles in relation to OsHV-1, which has been the case since 2008 (EFSA, 2010(EFSA, , 2015. A specific genotype called OsHV-1 µVar (GenBank accession no.…”
Section: Introductionmentioning
confidence: 99%
“…In France, higher mortality is now routinely reported in C. gigas spat and juveniles in relation to OsHV-1, which has been the case since 2008 (EFSA, 2010(EFSA, , 2015. A specific genotype called OsHV-1 µVar (GenBank accession no.…”
Section: Introductionmentioning
confidence: 99%
“…Among environmental parameters, sea water temperature is considered a risk factor (EFSA, 2010; Renault et al, 2014a). In order to avoid elevated temperatures and air exposure, oyster producers placed the trestles in deep areas.…”
Section: Discussionmentioning
confidence: 99%
“…To evaluate the effect of sea water temperature on disease development, we selected 16°C as a threshold for our analyses and periods of 2 weeks prior to samplings (Burge et al, 2006; EFSA, 2010; Pernet et al, 2012; Jenkins et al, 2013; Renault et al, 2014a). On average, the highest temperature per day was two degrees warmer in the southern site.…”
Section: Discussionmentioning
confidence: 99%
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