Photograph by HBOI Fisheries stock enhancement Bait production Ornamentals Biomedical Photograph by HBOI.

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Presentation transcript:

Photograph by HBOI

Fisheries stock enhancement Bait production Ornamentals Biomedical Photograph by HBOI

How many of you eat seafood? Aquaculture production in North America is valued at $1.5 billion About 40% of the seafood we eat is from aquaculture farms About 40% of the seafood we eat is from aquaculture farms

Phases of Aquaculture BroodstockManagementBroodstockManagement HatcheryProductionHatcheryProduction NurseryProductionNurseryProduction Grow-outGrow-out Harvest & Market

Aquaculture Systems

Aquaculture systems: Open

Aquaculture systems: Semiclosed

Aquaculture systems: Closed Photograph by HBOI

Water Systems

Aquaculture systems: Flow-through Pretreatment Water Source Rearing Tank Effluent Photographs by HBOI

Flow-through aquaculture systems Advantages Lower cost Simplicity Provides ambient food Requires lower skill level

Aquaculture systems: Recirculating Pretreatment Rearing Tank Water Source Post treatment Effluent Water treatment Biofiltration Disinfection

Recirculating aquaculture systems Advantages Environmental control Free of outside contaminants Fewer regulatory constraints

Methods of Cultivation Extensive vs. Intensive Intensive = Maximize production Limited space High density Complete diet High water exchange

AquacultureFisheries

The Industry and Government are working together to provide for Sustainable Aquaculture Development. Programs include: – Environmental Impact Assessments pre licensing. – Environmental Monitoring & Codes of Practice. – Canadian Shellfish Sanitation Program. – National Aquatic Animal Health Program. – Processing Plant Quality Management Program (QMP). – Safe Quality Food Institute Certification Program.