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Published byBeatrice Horton Modified over 9 years ago
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Burgundy Hanna
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Taxonomy of Aquacultured Salmon Atlantic Salmon Salmo salar Salmon Trout Oncorhynchus mykiss Coho Salmon Oncorhynchus kisutch Chinook Salmon Oncorhynchus tshawytscha
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The aquaculture of salmon is the fastest growing food production system. It makes up over 70% of the market. Salmon has become the most popular fish in the U.S., Europe, Japan. Salmon consumption is three times higher than it was in 1980. Economic Importance
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Norway: 33% Chile: 31% Canada, Scotland, New Zealand, and Japan produce the rest Market Price and Locations 2007HarvestUSD Atlantic Salmon1,433,708 tons$7.58 billion Salmon Trout604,695 tons$2.59 billion Coho Salmon115,397 tons$456 million Chinook Salmon11,542 tons$83 million
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http://www.youtube.com/watch?feature=player_d etailpage&v=K1NBcnNzAkU http://www.youtube.com/watch?feature=player_d etailpage&v=K1NBcnNzAkU
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Hatcheries: Conventional- eggs hatched in trays, smolts produced in raceways Moving towards RAS hatchery systems Sea Cages: Placed side by side, called a seafarm or seasite Production Methods
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Salmon are carnivores Feed contains fish meal Also fed carotenoids so their flesh color matches wild salmon http://www.youtube.com/watch?feature =player_detailpage&v=CKQU8ex8ric http://www.youtube.com/watch?feature =player_detailpage&v=CKQU8ex8ric Feeds
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ParameterRequirement Stocking Density50 kg/m3 Water Temperature8-10 C Dissolved Oxygen15.0 mg/L ingress 8.0 mg/L egress Dissolved Carbon Dioxide6.35 mg/L ingress 20.0 mg/L egress Ammonia Concentration0.7 mg/L ingress 1.0 mg/L egress Total Suspended Solids2.5 mg/L ingress 10.0 mg/L egress Salinity10-11 ppt Water Requirements
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Disadvantages High up-front cost Risk of disease Waste empties into oceans Approximately 3 million genetically identical salmon escape from pens each year, interbreeding and outcompeting wild salmon populations.
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Advantages Economically important fishery Sustainable Well-managed Large % of jobs Transformed a popular food source into a modern competitive business Fulfills a demand for a popular fish year-round Wild salmon costs more than framed salmon Salmon has high nutritional value and is one of the safest to consume It is a safe, eco-friendly answer to fish demand
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