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Pacific Oyster; Eastern Oyster; Crassostrea Gigas; Crassostrea Virginica; Oyster Disease; Perkinsus Marinus; Temperature; Salinity
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A Comparison Of Crassostrea Gigas And Crassostrea Virginica: Effects Of Temperature And Salinity On Susceptibility To The Protozoan Parasite, Perkinsus Marinus, Fu-Lin C. Chu, Aswani Volety, G Constantin
A Comparison Of Crassostrea Gigas And Crassostrea Virginica: Effects Of Temperature And Salinity On Susceptibility To The Protozoan Parasite, Perkinsus Marinus, Fu-Lin C. Chu, Aswani Volety, G Constantin
VIMS Articles
The susceptibility of diploid and triploid (2N and 3N) Crassostrea gigas to Perkinsus marinus was compared, in the laboratory, with that of Crassostrea virginica al three test temperatures (10, 15, and 25 degrees C) at 20-22 ppt and at three test salinities (3, 10, and 20 ppt) at a temperature of 19-22 degrees C. Experimental oysters were challenged twice with freshly isolated P, marinus meronts, after acclimation to test temperatures and salinities. Although infection prevalence and intensity increased with temperature (p = 0.0001) and salinity in P. marinus-challenged oysters of both oyster species: they were highest in C. virginica groups. …