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Crassostrea virginica
Oyster, American Cupped
Haplosporidiosis (Multinucleate Sphere X (MSX), Delaware Bay Disease)
Haplosporidium nelsoni
Haplosporidium nelsoni
Serious pathogen of C. virginica, occurs at salinities over 15ppt
A wide range of plasmodial stages distributed throughout the tissues. Dense haemocyte infiltration is usually seen throughout the digestive gland.
Rutgers Oyster Lab
Dr. W. Canzomer