can extensive and intensive oyster farming keep the industry alive in virginia, usa? t. leggett....
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Can Extensive and Intensive Oyster Farming Keep the Industry
Alive in Virginia, USA?
Can Extensive and Intensive Oyster Farming Keep the Industry
Alive in Virginia, USA?
T. Leggett. (1), B. Goldsborough (2), J. Harmon (1) Chesapeake Bay Foundation (1) PO Box 412, Wicomico, VA, 23184, USA, (2) Chesapeake Bay Foundation, 6 Herndon Ave., Annapolis, MD, 21403,
11th International Conference on Shellfish RestorationNovember 19-22, 2008Charleston, South Carolina, USA
Harvesting the Chesapeake
CBF Promotes Oyster Aquaculture
Oyster Farming Gains Momentum
Non native EIS
Blue crab decline
Non Native Oyster EIS Triggers Interest in Aquaculture
Avg. Monthly Shell Heights
0
10
20
30
40
50
60
70
80
90
July Aug Sept Oct Nov Dec Jan Feb
Ca
Cv
CBF Working on Solutions for Virginia Oyster Industry
2 month old spat on shell
First Day of Harvest
5 inch, 2 year old sterile native oysters
260 bu sterile native spat on shell planted; 937 bu harvested in 1.5 years
Virginia Restoration Fund Supports Triploid Spat On Shell Project
Setting larvae for Cowart Seafood Corporation, July 2007
Planting triploid spat on shell in York River, August 2007
Enter the Cow Nose Ray
Can Watermen Make a Living Planting and Harvesting Triploid Spat on Shell?
Waterman William Hicks and family set up and operate a spat on shell production
facility with funding from the Campbell
Foundation.
A Second Waterman Trained to Produce Spat on Shell
Funding to Train a Tangier Island Waterman To Grow Oysters
VMRC Waterman Retraining Program for Oyster Aquaculture
Rapid Growth of Triploid Virginica
’07 and ’08 York River Singles from Cage culture
’07 Ware River Spat on Shell, Summer ‘08
Industry Mechanizing
ECONOMICS• Half shell market: .15-.45 each
depending on marketing strategy
• Spat on shell: $25-$35/bu
Will thisWork?
I’m optimistic
Water quality, Shellfish and
Aquaculture Enhancement
Zones
Cow Nose Rays
What is the Potential for Expansion and What are the Probable
Issues?
Acknowledgements
Keith Campbell Foundation for the EnvironmentVA Restoration FundVirginia Institute of Marine ScienceCowart Seafood and Bevans Oyster Co.Virginia Marine Resources Commission
Questions?
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