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Characterization Of Overwintering Infections Of Perkinsus-Marinus (Apicomplexa) In Chesapeake Bay Oysters, Lisa M. Ragone Calvo, Em Burreson
Characterization Of Overwintering Infections Of Perkinsus-Marinus (Apicomplexa) In Chesapeake Bay Oysters, Lisa M. Ragone Calvo, Em Burreson
VIMS Articles
To determine the nature and abundance of over-wintering P. marinus infections, infected oysters (Crassostrea virginica) collected from the upper James River, VA, were placed in a tray and suspended from a pier in the lower York River, VA in November 1991. Every six weeks through May 1992 oysters (n = 25) were removed from the tray, examined for P. marinus by hemolymph culture in fluid thioglycollate medium (FTM), gradually warmed in individual containers to 25-degrees-C and held for one month. After the incubation period, which permitted the development of very light and/or cryptic parasite stages to detectable levels, the oysters …