|Appears in Collections:||Aquaculture Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Microbial and genetically engineered oils as replacements for fish oil in aquaculture feeds (Forthcoming/Available Online)|
Tocher, Douglas R
|Keywords:||Alternative n-3 LC-PUFA sources|
EPA and DHA
Oils from transgenic plants
Polyunsaturated fatty acids
|Citation:||Sprague M, Betancor M & Tocher DR (2017) Microbial and genetically engineered oils as replacements for fish oil in aquaculture feeds (Forthcoming/Available Online), Biotechnology Letters.|
|Abstract:||As the global population grows more of our fish and seafood are being farmed. Fish are the main dietary source of the omega-3 (n-3) long-chain polyunsaturated fatty acids (LC-PUFA), eicosapentaenoic (EPA) and docosahexaenoic (DHA) acids, but these cannot be produced in sufficient quantities as are now required for human health. Farmed fish have traditionally been fed a diet consisting of fishmeal and fish oil, rich in n-3 LC-PUFA. However, the increase in global aquaculture production has resulted in these finite and limited marine ingredients being replaced with sustainable alternatives of terrestrial origin that are devoid of n-3 LC-PUFA. Consequently, the nutritional value of the final product has been partially compromised with EPA and DHA levels both falling. Recent calls from the salmon industry for new sources of n-3 LC-PUFA have received significant commercial interest. Thus, this review explores the technologies being applied to producede novon-3 LC-PUFA sources, namely microalgae and genetically engineered oilseed crops, and how they may be used in aquafeeds to ensure that farmed fish remain a healthy component of the human diet.|
|Rights:||© The Author(s) 2017 This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.|
|Sprague_etal_BiotechnolLett_2017.pdf||486.89 kB||Adobe PDF||View/Open|
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