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Chelonia mydas
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Cayman Islands
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“That’s odd”
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CONCLUSIONS % Hatch rates at 34” vs 4” the same Post hatch mortality higher at shallower 4” depth Eggs incubated at natural depth produce stronger hatchlings with higher in-water survival?
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What makes a good egg?
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60 day life support system Amino acids Fatty acids Vitamins Minerals Antioxidants
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Wild eggs vs Cayman Turtle Farm Eggs
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Carotenoid differences Lutein, Zeaxanthin Higher levels of PUFAs
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Omega 3 and Omega 6 Fatty Acids – building blocks for important hormones
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Mice genetically engineered to lack the ability to produce DHA and EPA have fertility problems – low sperm count and mobility The ratio of Omega 3 to Omega 6 Fas in the diet affects the proportion of inflammatory and non –inflammatory Fas procuced.
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What is the N3:N6 ratio in wild diet? Turtle grass - 1:1 What is the N3:N6 ratio in CTF feed? Old diet - 1:5
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Natural dietary sources of EPA and DHA include: Fish oil (anchovies) Algae (Spirolina) Where do green sea turles get their EPA and DHA?
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Sources of alpha – linolenic acid: Flax (<5% limit) Fish Oil ($$) EPA/DHA commercial procuct ($$$$$) Camelina meal?
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CAMELINA MEAL Up to 45% Omega 3 FA 35-45% alpha-linolenic acid Rich in antioxidants such as tocopherols Resists oxidation and rancidity
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CURRENT RESEARCH DNA FINGERPRINTING OF BREEDERS ASSESSMENT OF CONSERVATION THROUGH GENTIC ANALYSIS OF WILD EGGS AGING STUDY MEASURMENTS OF TELEMERE LENGTHS TOPICAL LESION TREATMENTS W/ SDS ISOTOPIC SIGNATURES
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www.turtle.ky/conervation/scientific- papers.cfm
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