Download - Chelonia mydas. Cayman Islands “That’s odd”
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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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19-A
pr
28-A
pr
7-M
ay
16-M
ay
25-M
ay3-
Jun
12-J
un
21-J
un
30-J
un9-
Jul
18-J
ul
27-J
ul
5-Aug
14-A
ug
23-A
ug
1-Sep
10-S
ep
19-S
ep
28-S
ep0
5000
10000
15000
20000
25000
30000
35000
40000
45000
Total Eggs Laid by Year
2012
2011
2010
2009
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CURRENT RESEARCH
DNA FINGERPRINTING OF BREEDERS
ASSESSMENT OF CONSERVATION THROUGH GENTIC ANALYSIS OF WILD EGGS
AGING STUDYMEASURMENTS 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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