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440
Crassostrea gigas
Oyster, Pacific Cupped
Nocardiosis
systemic
Nocardia sp.
Nocardia sp.
Associated with mortalities, yellow/green pustules formed.
Focal necrosis and intense haemocyte activity surrounding the bacterial microcolonies.
Not recorded
U.S West Coast
USA
Dr Ralph Elston
2/1/1991