unit 16 aquaculture. growing industry one of the oldest industries in the world food fish = largest...
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Unit 16Unit 16AquacultureAquaculture
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Growing IndustryGrowing Industry
• One of the oldest industries in the world
• Food fish = largest market
• Oklahoma– Sport fishing– Fishery
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Industry SegmentsIndustry Segments
• Warm-Water Fish
• Cool-Water Fish
• Crustaceans
• Mollusks
• Ornamental Fish
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Warm-Water FishWarm-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
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Cool-Water FishCool-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
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Crustaceans and Crustaceans and MollusksMollusks
• Crustaceans– Three body parts– Lobsters, crawfish, crab– Reproduce naturally
• Mollusks– Oysters, clams– Collected from ocean
bays and estuaries
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Ornamental FishOrnamental Fish
• Tropical or aquarium fish
• Found naturally
• Highly labor intensive
• Pigments in food promote bright coloring
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Efficient AnimalsEfficient 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
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Fish ProductionFish Production
• Types of Systems– Cage system– Pond culture– Continuous flow system– Recirculating system
• Production Parts– Hatching– Growing-out– Harvesting– Processing– Marketing
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