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January 2004

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Aquaculture Waste Management Projects Enthuse Aquaculturists and Local Residents
     For more than a decade, Blue Ridge Aquaculture (Martinsville, VA) has been the major U.S. producer of live tilapia, which is sold in markets from Washington, DC to Toronto, Canada. more...

VMRC Approves Plan Developed Through Use of Virginia Tech Suminoe Oyster Risk Assessment/Risk Management Model
     The native eastern oyster population in Chesapeake Bay has declined due to habitat degradation, over-harvest, and disease- and parasite-mediated mortality. Efforts to restore the eastern oyster population have been hindered by persistent disease pressures and by habitat degradation. more...

Linking Fish Waste to Ornamental Horticulture
     The capacity to recycle aquaculture waste products into a high-value soil amendment can promote economic and environmental sustainability in a diversified farm. Composted wastes can be used to aid in the production of ornamental horticulture crops, the fastest growing sector of agriculture both in Virginia and the United States. more...

F-2 Flounder Spawning First
      At the Virginia Seafood Agriculture Research and Extension Center in Hampton, aquaculture specialist Michael Schwarz recently spawned 2 million F-2 summer flounder fry from F-1 broodstock housed at the Center, working in conjunction with Ewen McLean and Steven Craig.more...

Cobia Come to Virginia Tech Aquaculture Center
     Over the last 12 months Virginia Tech aquaculture researchers have been concentrating on a marine aquaculture candidate species called cobia (Rachycentron canadum).more...

Towards Organic Fish Feeds
     In recent years, the media has drawn attention to the presence of various contaminants in wild fish flesh. Indeed, a number of "scare" stories have also appeared regarding farmed salmon from the Pacific Northwest and European waters.more...

Aquaculture Center Renovations Keep Program Progressive
     The last year has seen a flurry of activity at Virginia Tech's Aquaculture Center, which has moved one stage closer to completing Phase I of a planned three-phase development program. A vital component of the Center's restructuring has been the retrofitting of many of its recirculating systems together with the emplacement of a variety of new experimental tanks.
more...

Program to Offer Info on Risk Assessment and Management to Industry
     Virginia Tech, working in collaboration with other universities and organizations, has identified the need for an office of Risk Assessment and Management to be housed at a Northern Virginia campus in Old Town Alexandria.
more...

Restructured Product Offers Potential New Use for Short-finned Squid
     Squid consumption is increasing rapidly across the United States and Canada. Once considered primarily an ethnic food popular in Southern Europe and Asia, the product is now gaining widespread acceptance in US markets. more...

Hurricane Isabel Struck Hard, but the Virginia Seafood AREC in Hampton is Recovering at a Steady Pace
     Hurricane Isabel was less than kind to the VSAREC aquaculture facilities and fish; however things could have been much worse. While the majority of onsite fish died as a result of 5 feet of standing water within the building, the valuable F-1 summer flounder broodstock survived as they were chilled down to 45°F before Isabel hit in order to minimize metabolic activity.more...

2004 Recirculating Aquaculture Conference Symposia Set
     Next summer's International Conference on Recirculating Aquaculture (July 22-25, 2004) is on track be the biggest and broadest meeting to date, focusing exclusively on the science and application of recirculation technology for raising freshwater and marine species of fish and shellfish, as well other aquatic species. Conference organizers recently announced the topics to be covered in the Conference's ten symposia.more...

Shrimp Culture a Possible Added Use of Tilapia Effluent
     As a first year Ph.D. student in Environmental Engineering, David Kuhn will be investigating the feasibility of raising the marine Pacific white shrimp (Litopenaeus vannamei) in freshwater effluent water from a tilapia farm in Southern Virginia. Shrimp is a high commodity item in the US ($4.75 billion annual market revenue).more...

Achieving the Vision - Aquaculture in Canada
     The Canadian Commissioner for Aquaculture Development, Yves Bastien released his report, Achieving the Vision, at Aquaculture Canada 2003, the national forum on aquaculture sponsored by the Aquaculture Association of Canada. more...

Related Studies Explore Scombrotoxin Triggers on Fishing Vessels, Evaluate High Pressure Processing for Prevention & Control
     A pair of related studies scheduled to take place in 2004-2005 will evaluate the problem of temperature abuse in the harvesting and processing of scombroid fish, as well as the potential usefulness of high hydrostatic pressure processing to curtail the formation of scombrotoxins in the fish. The studies will be conducted by VT Food Science and Technology research associate Stephanie Penn. more...

Sea Grant's New Nat'l Communications Chair Hails from Virginia
     Virginia Sea Grant Communications Coordinator Pauli Hayes was elected in November to be the new Chair-elect for National Sea Grant Communications. Hayes joined Virginia Sea Grant in March of 2000 and had recently served as the regional Chair for the Mid-Atlantic region. more...


CFAST News is published triannually, as a service to the fish and shellfish industries, as well as research and regulatory agencies involved in fisheries, aquaculture, and public health. Major funding for CFAST comes from Virginia Tech, the Virginia Cooperative Extension, and the VA Sea Grant College Program.

Editor, Angela I. Correa ---------- 540-231-2075
Production Mgr., Terry Rakestraw -- 540-231-6805
Fax (shared) ---------------------- 540-231-9293

Questions, letters, and publication orders should be directed to the editor, and may be mailed to 119 Food Science and Technology Building, Virginia Tech, Blacksburg, 24061, or e-mailed to .

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