Aquaculture In the U.S.
Transcript of Aquaculture In the U.S.
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Aquaculture In the U.S.
James H. Tidwell, Ph.D.
Professor and Coordinator of Aquaculture Programs
Kentucky State University
American Meat Science Association
57th Reciprocal Meat Conference
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Worldwide Demand for Fishis Increasing
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MMT
1970 1998 2010
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Where does it come from?
Only Two Sources-Capture or Culture
• Historically – the oceans
• About 80% of our foodfishsupply usually came from ocean capture fisheries.
• If we needed more – we just fished harder – longer – or further away.
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Today’s Reality•70%
The ocean’s bounty is NOT limitless.
70% in need of urgent management. (FAO 1999)
50% of ocean fisheries fully exploited.
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69.4
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1980 1985 1990 1995 2000 2005 2010 2015 2020 2025
year
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capture fisheries
Essentially all increases in fish supply must come from aquaculture.
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Aquaculture is the fastest growing food producing activity in the world.
05
1015202530354045
MMT
1984 1986 1990 1994 1998 1999
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Growth of Aquaculture•With a growth rate of 11% per year – Aquaculture is on a pace to surpass beef production in six years..
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Only In Seafood Do We Remain Hunters and Gatherers
Without the transition to agriculture, we could never support the current human population.
A similar juncture has been reached or passed in fish supplies.
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Percentage of Total World Seafood Supplied by Aquaculture
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1990 1992 1994 1996 1998 2000
%
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Africa1%
former USSR0%
Latin America2%
North America2%
Europe4%
China71%
Asia (excl. China)20%
2000 World aquaculture production by continent
Where?
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Seafood Consumption:
Total by Country Per Capita Rates
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China Japan USA India Indonesia
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Per Capita Consumption of Seafood in the US
0123456789
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seaf
ood
cons
umed
/per
son
1985 1987 1989 1991 1993 1995 1997 1999
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Volume of Domestic Commercial Landings
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1986 1988 1990 1992 1994 1996 1998 2000 2002
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Population Growth USA
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U.S. Seafood Exports and Imports
00.5
11.5
22.5
33.5
44.5
5
1991 1993 1995 1997 1999 2001
ExportsImports
2003 U.S. Trade Deficit in Seafood $7-8 Billion
Billions of Dollars
Over 80% of our seafood is imported!
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Total US Aquaculture Production
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WeightValue
Weight mt x 105
Value USD x 105
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• Farm gate value: $978 Million• Total value: $5.6 Billion• 181,000 full-time jobs
The fastest growing sector of U.S. agriculture
Sources: USDA-NASS 1998 Census of Aquaculture & Economic-wide impacts of U.S. aquaculture, Dicks, et al., May 1996
U.S. Economic Impact (98)
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Major Fish and Shellfish in the U.S.• 1) Channel catfish Omnivore• 2) Atlantic salmon Predator• 3) Rainbow trout Predator• 4) Carps Omnivore• 5) Crawfish Omnivore• 6) Clams Filter feeder• 7) Hybrid striped bass Predator• 8) Pacific White shrimp Predator
½ are predators. Like raising tigers instead of cows!!
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U.S. Production by Species (98)
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Catfish Trout Crawfish Salmon Oysters Baitfish Hybridstriped
bass
Millions of lbs
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Source: 1998 Census of Aquaculture, USDA-NASS
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Catfish• Largest US aquaculture crop
• Catfish production in the U.S. has increase 52% in 10 years
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Catfish Feed Prices
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2003 2004
$/ton
$235/ton
$290/tonEst.
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Trout• Approximately 50% of
production from Idaho
• 2003 approximately 61 million pounds produced with a value of $66.4 million
• Mature industry with slow steady growth.
• Effluents regulations a factor
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Hybrid Striped Bass• Possibly the next “catfish”• Markets in Northeast as a food fish
• Can be raised in a variety of production systems– Ponds
– Tanks
– Raceways
Predator but tolerates carbohydrates better than most.
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Trends in U.S. ShrimpProduction
& Consumption
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1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
Mill
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poun
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> $3 Billion
Trade Deficit
Consumption
Imports
Domestic Capture + Culture
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Freshwater Prawns
• Freshwater- can be raised inland away from the coast
• Not susceptible to common shrimp diseases
• More Environmentally sustainable
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Tilapia• Tilapia is an African
cichlid which grows rapidly, tolerates crowding and produces a mild flaky meat.
• As omnivores and filter feeders they may be able to utilize loose grains.
• Also a good polyculturespecies with prawns.
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Demand for Organic Foods
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Foreign Competition
Food Security??
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For more information: www. ksuaquaculture.org