ANS18-10-L24-MAR-FISH

ANS18-10-L24-MAR-FISH - Discussion – Dec 1st &...

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Unformatted text preview: Discussion – Dec 1st & 3rd • No reading assignment • Market review and organoleptic tests • Note: Room Change Disc. held in 162B Cole C (meats laboratory) see map next slide ANS – 18; Marine Fish Culture ANS 1 Discussion – Dec 2 & 3 • Meat Laboratory Cole Facility Building "C" 162B Cole C ANS – 18; Marine Fish Culture ANS 2 Offshore Aquaculture ANS – 18; Marine Fish Culture ANS 3 Hubbs-SeaWorld Research Institute AQUACULTURE Striped Bass White Seabass California Yellowtail Bluefin Tuna Halibut Red Abalone ANS – 18; Marine Fish Culture ANS 4 Cobia = Rachycentron candum • 24 – 28oC • Fast growing – 1 kg after the first 3 months in the cage – 3 kg after 8 months – 5 kg after 11 months • FCR ~ 1.5:1 • 50% fillet yield ANS – 18; Marine Fish Culture ANS 5 Cobia distribution - tropical ANS – 18; Marine Fish Culture ANS 6 Cobia production cycle - Hatchery ANS – 18; Marine Fish Culture ANS 7 Cobia Larval Rearing = 28 – 30oC • • • • • Hatching – larvae = 3.5 mm in length 3–7 dph = Enriched rotifers Green-water Technique 5–7 dph = Brine shrimp nauplii 7 – 15 dph = Enriched 2nd – 3rd instar meta nauplii 15 – 25 dph = weaned to formulated feeds 200 – 350 μm * 80% mortality 1.5 mm • Fingerlings = 1 gram mortality nil 75 dph = 30 grams * Although the timing varies, the sequence of feed types is typical for marine fish larval culture ANS – 18; Marine Fish Culture ANS 8 Cobia production cycle - ANS – 18; Marine Fish Culture ANS 9 Offshore Aquaculture ANS – 18; Marine Fish Culture ANS 10 Snapperfarm, Inc. SeaStation = 3,000 m3 Culebra, Puerto Rico Aquapod = 11,000 m3 Bahamas ANS – 18; Marine Fish Culture ANS 11 Kona Blue – Hawaii Seriola rivoliana • 8 SeaStation cages holding 480,000 Hawaiian yellowtail ANS – 18; Marine Fish Culture ANS 12 The Army Corp of Engineers Requires net pens to have “Section 404” navigation permits. ANS – 18; Marine Fish Culture ANS 13 EPA - Federal Clean Water Act • A point source may not lawfully discharge pollutants without a NPDES permit • Definition of a point source – is a conveyance – have a potential for discharge of pollutants – examples include “concentrated aquatic animal feeding operations” – Includes net pen rearing of fish • Administrated by the EPA ANS – 18; Marine Fish Culture ANS 14 The Food and Drug Administration (FDA) Responsible for regulating medicated fish feeds, drugs and other fish health products. The FDA is also the primary federal agency responsible for assurance of the safety of seafood for consumption. ANS – 18; Marine Fish Culture ANS 15 National Marine Fisheries Service (NMFS) • Under the Department of Commerce (DOC), 25 year goal to offset the annual $ 7 billion imbalance in seafood (also member of JSA) National Oceanic and Atmospheric Administration (NOAA), – the Sea Grant College Program (wise use of marine resources including aquaculture) • Administers the Endangered Species Act with respect to marine & anadromous fish ANS – 18; Marine Fish Culture ANS 16 National Aquaculture Act (1980) • “promote the development of environmentally safe and sustainable aquaculture to meet the growing national and global needs for protein from seafood and relieve pressure on wild fish stocks” ANS – 18; Marine Fish Culture ANS 17 U.S. Aquaculture Development JSA - Joint Subcommittee on Aquaculture • National Aquaculture Act of 1980 • National Aquaculture Improvement Act of 1985 Sec. Ag. (USDA) Sec. Int. (USFS) ANS – 18; Marine Fish Culture ANS Sec. Comm. (NOAA) 18 Others (EPA, OSHA, etc.) Offshore Aquaculture • NOAA bill introduced by Sen. Ted Stevens (R-Alaska) chair of the Commerce Comm. and Sen. Daniel Inouye (D-Hawaii) ranking member - 2007 – “Opt-out” by states amendment – Environmental protection for wild stocks? • Never became law – died • Regulation of offshore aquaculture still in limbo. ANS – 18; Marine Fish Culture ANS 19 • Snapperfarm, Inc – Left Puerto Rico and became Open Blue Sea of Panama; claims they were prevented from expanding Update - • Kona Blue – Asked to expand at the Hawaii site; facing cash flow problems; may move to Mexico ANS – 18; Marine Fish Culture ANS 20 ...
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