Document Type

Report

Department/Program

Virginia Institute of Marine Science

Publication Date

6-2004

Abstract

Low temperatures and salinities brought abatement in the oyster diseases caused by Perkinsus marinus (Dermo) and Haplosporidium nelsoni (MSX) for the first time since 1998. In the James River, P. marinus prevalences were the lowest they had been since 1998. In summer and fall, when P. marinus is normally most prevalent, it was found in a maximum of 72% of oysters at Wreck Shoal and in less than half the oysters at Horsehead Rock and Point of Shoals. Advanced infections were very rare. Haplosporidium nelsoni had disappeared completely from quarterly James River samples by July

DOI

https://doi.org/10.21220/V5TD9C

Keywords

American Oyster Diseases, Virginia, Chesapeake Bay