Disease and mortality among Yesso scallops Patinopecten yessoensis putatively caused by infection with Francisella halioticida

During the fall of 2015, up to 40% mortality occurred in juvenile Yesso scallops Patinopecten yessoensis at an aquaculture site in Baynes Sound, British Columbia, Canada. Macroscopic lesions were present in 11% of the scallops, and histopathology consisting of multifocal and diffuse haemocyte infiltration was observed in 44% of the specimens examined. Histologically, small Gram-negative … Continue reading Disease and mortality among Yesso scallops Patinopecten yessoensis putatively caused by infection with Francisella halioticida

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