ANS18-10-L19-CRAWFISH-CULT

ANS18-10-L19-CRAWFISH-CULT - CRAWFISH CULTURE Mudbugs,...

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ANS ANS -18 Crawfish Culture 18 Crawfish Culture 1 CRAWFISH CULTURE Mudbugs, crawfish, crawdads, crayfish, and dragon-shrimp Don t Miss Annual Crawfish Festival - Isleton's, CA Third weekend in June. (916) 777-5880
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ANS ANS -18 Crawfish Culture 18 Crawfish Culture 2 Crustaceans Phylum Arthropoda exoskeleton and jointed appendages Subphylum Crustacea - chitinous exoskeleton Class Malacostraca Order - Decapoda
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ANS ANS -18 Crawfish Culture 18 Crawfish Culture 3 Molting = Growth Molt cycle Controlled by two hormones; the molt inhibiting hormone
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ANS ANS -18 Crawfish Culture 18 Crawfish Culture 4 Crawfish Aquaculture 400 species of freshwater crawfish few commercially important Red swamp crawfish (Procambarus clarkii) Louisiana, USA China (introduced) Spain/Portugal (introduced) Kenya (introduced) White river crawfish (Procambarus zonangulus) Louisiana, USA World production - Freshwater crustaceans = 1,370,000 mt Red swamp crawfish = 418,000 mt
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ANS ANS -18 Crawfish Culture 18 Crawfish Culture 5 U.S. Crawfish Industry Louisiana French Acadians (Nova Scotia) were driven out by the British in the mid- 1700 s. C a j u n c o t r y
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ANS -18 Crawfish Culture 18 Crawfish Culture 6 Louisiana accounts for ~ 85% of the U.S. crayfish production $ 50 million dollar industry Farmed, starting in the 1960 s - ~ 75 - 90% Fishing, the remainder Red swamp crawfish Procambarus clarkii southern U.S. - 85 % of U.S. crawfish harvest; [white river crawfish, P. zonangulus]
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This note was uploaded on 03/26/2011 for the course ANS 18 taught by Professor Mchenry during the Spring '11 term at UC Davis.

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ANS18-10-L19-CRAWFISH-CULT - CRAWFISH CULTURE Mudbugs,...

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