Parasites of eastern oysters from subtidal reefs in a Louisiana estuary with a note on their use as indicators of water quality |
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| Authors: | Hugh M Turner |
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| Institution: | 1. Department of Biological and Environmental Sciences, McNeese State University, 70609, Lake Charles, Louisiana
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| Abstract: | A 12-month parasitological study in-volved examination of 1,242 eastern oysters,Crassostrea virginica, from two hydrologically different subtidal reefs in Calcasieu Lake, Louisiana. No evidence of morbidity attributed to infection with the protozoanPerkinsus marinus was detected among oysters at either site. Most oysters from the higher salinity site had shells infested with boring sponges,Cliona truitti. Oysters from both sites harbored infections with sporocysts and cercariae of the digenetic trematode,Bucephalus cuculus. However, average monthly incidence of infection was less than 0.5%. |
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