QPX Susceptibility in Hard Clams Varies with Geographic Origin of Brood Stock

Lisa M. Ragone Calvo, Eugene M. Burreson, Virginia Sea Grant Marine Advisory Program

This Virginia SeaGrant (PDF) document features details of a study regarding QPX (Quahog Parasite Unknown), a disease-causing parasites in hard shell clams. The 3-year study indicates that clam strains of Mercenaria mencernaria produced from brood (hatchery) stocks in South Carolina and Florida are more susceptible to QPX than those from Virginia, New Jersey, and Massachusetts. These results indicate that growers should consider the geographic origin of clam seed as an important component of their QPX disease avoidance and management strategies.

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Subject: Biology:Ecology:Symbiotic Relations:Mutualism, Biology:Ecology:Habitats:Marine, Biology:Microbiology, Microbiology:Microbiology and Health
Resource Type: Scientific Resources:Research Results
Grade Level: General Public, Graduate/Professional, College Upper (15-16), College Lower (13-14)
Ocean Environments: Coastal and Estuarine
Theme: Teach the Earth:Course Topics:Ecology