Huge mortality outbreaks affecting Pacific oysters (Crassostrea gigas) spat/juveniles are sometimes related to the detection of a herpesvirus referred to as ostreid herpesvirus sort 1 (OsHV-1). On this work, experimental an infection trials of C. gigas spat with OsHV-1 have been carried out utilizing two contrasted Pacific oyster households for his or her susceptibility to viral...