2. Photograph by HBOI

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

6. 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

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

8. Aquaculture Systems

9. Aquaculture systems: Open

10. Aquaculture systems: Semiclosed

11. Aquaculture systems: Closed Photograph by HBOI

12. Water Systems

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

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

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

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

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

18. 19751985199520102030 0 20 40 60 80 100 120 140 160 180 200 AquacultureFisheries

23. 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.