The effects of feed supplemented with omega-3 polyunsaturated fatty acids on cultured abalone

Mateos, Hintsa (2012) The effects of feed supplemented with omega-3 polyunsaturated fatty acids on cultured abalone. PhD thesis, Victoria University.

Abstract

The long chain omega-3 polyunsaturated fatty acids (LC n-3 PUFA) are associated with a broad range of health benefits including reducing the risk of cardiovascular diseases, arthritis and certain cancers. In addition, they have also been found to play a role in reducing the risk of Alzheimer’s disease, depression and schizophrenia. Seafoods are the main sources of LC n-3 PUFA. The LC n-3 PUFA and total lipid contents of marine animals can be influenced by a range of biological and environmental factors such as the diet of animals, water temperature, and the reproductive cycle. This research looked at the effects of dietary fish oil (FO) supplements on tissue fatty acid composition, expression of desaturase and elongase genes and growth performance of adult cultured Jade Tiger hybrid abalone. It also examined the effects of replacement of FO with vegetable oils on fatty acid composition, expression of desaturase and elongase genes, and growth performance of abalone. In addition the contents of total lipid and fatty acid of tissues were also examined over four seasons.

Additional Information

This thesis includes 4 published articles for which access is restricted due to copyright (Chapters 4-7). Details of access to these papers has been inserted in the thesis, replacing the articles themselves.

Item type Thesis (PhD thesis)
URI http://vuir.vu.edu.au/id/eprint/20524
Subjects Historical > Faculty/School/Research Centre/Department > School of Biomedical and Health Sciences
Current > FOR Classification > 0601 Biochemistry and Cell Biology
Current > FOR Classification > 0608 Zoology
Keywords lipids, fatty acids, muscles, glands, Jade Tiger hybrid abolone, saturated fats, SFA, seasonal variations, digestive glands, gonad, thesis by publication
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