| perkinsus marinus in pleasure oyster crassostrea corteziensis from nayarit, pacific coast of méxico. | culture of the pleasure oyster crassostrea corteziensis is emerging as an alternative to the pacific oyster (crassostrea gigas) for oyster producers, who face severe mortalities since 1997 in northwest méxico. for determining the health status of this species, we conducted a histopathological analysis of cultured populations from two estuaries in the pacific coast of méxico. macroscopical analysis revealed animals with transparent and retracted mantle. histopathological analysis of these specime ... | 2008 | 18423484 |