Title page for etd-0202113-121346


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URN etd-0202113-121346
Author Ming-ta Chuang
Author's Email Address No Public.
Statistics This thesis had been viewed 5574 times. Download 1275 times.
Department Marine Biology
Year 2012
Semester 1
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title α-Linolenic acid and linoleic acid ratio on wash-out of tissue fatty acids in cobia (Rachycentron canadum)
Date of Defense 2013-01-08
Page Count 83
Keyword
  • cobia (Rachycentron canadum)
  • fish oil
  • unsaturated fatty acids
  • wash-out
  • ALA/LA ratio
  • Abstract Effects of different dietary α-linolenic acid (ALA, 18:3n-3) to linoleic acid (LA, 18:2n-6) ratios on growth performance, tissue fatty acid composition, and subsequent finishing (wash-out) efficiency in cobia was evaluated. The ALA/LA ratios of experimental formulated to be between 0.1 and 2.0 by supplementing different levels of palm oil, linseed oil, and sunflower oil, and a fish oil diet was used as the control. The experiment was carried out with a 10 week growth-out period when the experimental diets were given and a subsequent finishing “wash out” period of 8 weeks. There was no significant difference in growth performance of cobia. The fish fed with diet with a lower ALA/LA ratio (hence receive more dietary LA) had significantly higher concentrations of DHA in the muscle at the end of the finishing period. Dietary ALA/LA ratio not only affected the fatty acid profile of the cobia in growth-out period, but also increased the efficiency of HUFA deposition in the subsequent wash out period.
    Advisory Committee
  • Shi-Yen Shiau - chair
  • Chen-Chih Kao - co-chair
  • Chen-Huei Huang - co-chair
  • Chen-Huei Huang - co-chair
  • Chen-Huei Huang - co-chair
  • Houng-Yung Chen - advisor
  • Files
  • etd-0202113-121346.pdf
  • Indicate in-campus at 1 year and off-campus access at 1 year.
    Date of Submission 2013-02-02

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