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The assessment of omega 3 oil sources for use in aquaculture – alternatives to the unsustainable harvest of wild fish stocks

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Miller, MR (2007) The assessment of omega 3 oil sources for use in aquaculture – alternatives to the unsustainable harvest of wild fish stocks. PhD thesis, University of Tasmania.

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Abstract

ABSTRACT
Worldwide harvest of wild marine fisheries for fish oil cannot increase. However, the
demand for fish oil is increasing due to a rapidly expanding aquaculture industry and is
further increased by nutraceutical/biomedical and agricultural companies. Aquaculture
uses fish oil as a source for essential fatty acids in particular omega-3 long chainpolyunsaturated
fatty acids (ω3 LC-PUFA) and for energy. Other novel sources of
renewable, environmentally sustainable oil that provide these nutritional requirements for
Atlantic salmon (Salmo salar L.) are needed. This research looked at alternate sources of
oil containing the ω3 LC-PUFA that are associated with the many health benefits of
eating Atlantic salmon. This thesis also contributed to the development of three
techniques for use in aquaculture lipid nutrition research: 1) advanced chromatography
and mass spectroscopy to examine intact molecular membrane lipids; 2) nuclear magnetic
resonance (13C NMR) to assess the regiospecific distribution of ω3 LC-PUFA in oil, and
3) molecular RT-PCR to investigate endogenous ω3 LC-PUFA production.

Item Type: Thesis (PhD)
Date Deposited: 10 Oct 2008 01:20
Last Modified: 11 Mar 2016 05:54
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