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510
Ostrea edulis
Oyster, European Flat
Bonamiasis
Systemic
Bonamia ostreae
Bonamia ostreae
Under low power the oyster looks negative as there is no cell proliferation or host response apparent. Under high power (x40) the parasite is seen to be prolific.
The parasite is present in all tissue throughout the oyster. Some cells contain twelve or more parasites.
Cornish river estuary
Southern England
UK
S. J. Swaine
12/22/1993