Testing of Great Bay Oysters for Two Protozoan Pathogens

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New Hampshire Fish and Game Department; Grout, Douglas E.
Piscataqua Region Estuaries Partnership
Marine Biology
report description
Two protozoan pathogens, Haplosporidium nelsoni (MSX) and Perkinsus marinus (Dermo), are known to be present in Great Bay oysters. With funds provided by the Piscataqua Region Estuaries Partnership ( PREP ), the Marine Fisheries Division of the New Ham pshire Fish and Game Department (NHF&G) continues to assess the presence and intensity of both of these disease conditions in oysters from the major beds within the Great Bay estuarine system. Histological examination s of Great Bay oysters have also revea led other endoparasites.