1. Unit 16 Aquaculture

2. Growing Industry One of the oldest industries in the world Food fish = largest market Oklahoma – Sport fishing – Fishery

3. Industry Segments Warm-Water Fish Cool-Water Fish Crustaceans Mollusks Ornamental Fish

4. Warm-Water Fish Found in water 85⁰ or higher Catfish are most popular Female makes the nest and lays eggs Male fertilizes the roe Eggs are collected and hatched in tanks

5. Cool-Water Fish Grow best in water below 65⁰F Salmon and trout are popular Female lays eggs Aquaculture technician fertilizes the eggs with semen collected from male fish

6. Crustaceans and Mollusks Crustaceans – Three body parts – Lobsters, crawfish, crab – Reproduce naturally Mollusks – Oysters, clams – Collected from ocean bays and estuaries

7. Ornamental Fish Tropical or aquarium fish Found naturally Highly labor intensive Pigments in food promote bright coloring

8. Efficient Animals Fish gain one pound for every two pounds of food Fast growing = more productive market Most energy goes to meet production Ectothermic = depend on their environment for body temperature

9. Fish Production Types of Systems – Cage system – Pond culture – Continuous flow system – Recirculating system Production Parts – Hatching – Growing-out – Harvesting – Processing – Marketing