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Article: Can selective breeding reduce the heavy metals content of Pacific oysters (Crassostrea gigas), and are there trade-offs with growth or survival?
- Article from:
- Journal of Shellfish Research
- Article date:
- December 1, 2005
- Author:
CopyrightCOPYRIGHT 2005 National Shellfisheries Association, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT Oyster producers in the Pacific Northwest region of the United States export large quantities of oysters to international markets. Proposed changes to international limits for heavy metals content in shellfish could drastically curtail exports and impact the viability of this environmentally-friendly industry. "Supply-side" solutions such as moving oyster farms to uncontaminated sites or short-term depuration would incur substantial costs in terms of labor and infrastructure and displace workers in already economically challenged coastal communities, whereas selective breeding could benefit both producers and consumers within the current infrastructure. We ...
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