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Accession number:

Host species (latin):

Crassostrea virginica

Common name:

Oyster, American Cupped

Disease/condition:

Haplosporidiosis (Multinucleate Sphere X (MSX), Delaware Bay Disease)

Location (host):

Aetiology:

Haplosporidium nelsoni

Aetiology:

Haplosporidium nelsoni

Additional Information:

Significance:

Serious pathogen of C. virginica, occurs at salinities over 15ppt

Lession:

A wide range of plasmodial stages distributed throughout the tissues. Dense haemocyte infiltration is usually seen throughout the digestive gland.

Stains:

Location:

Area:

Country:

Submitter:

Dr. F.O. Perkins

Accession date:

4/1/1977

Images: