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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Early nutritional intervention can improve utilisation of vegetable-based diets in diploid and triploid Atlantic salmon (Salmo salar L.)
Author(s): Clarkson, Michael
Migaud, Herve
Metochis, Christoforos
Vera, LM
Leeming, Daniel
Tocher, Douglas R
Taylor, John
Keywords: Atlantic salmon: Nutritional programming: Lipids: EPA: DHA: Vegetable raw material
Issue Date: Jul-2017
Date Deposited: 1-Aug-2017
Citation: Clarkson M, Migaud H, Metochis C, Vera L, Leeming D, Tocher DR & Taylor J (2017) Early nutritional intervention can improve utilisation of vegetable-based diets in diploid and triploid Atlantic salmon (Salmo salar L.). British Journal of Nutrition, 118 (1), pp. 17-29.
Abstract: The present study investigated nutritional programming in Atlantic salmon to improve utilisation of a vegetable-based diet. At first exogenous feeding, fry were fed either a marine-based diet (Diet Mstimulus, 80% fishmeal (FM)/4% fish oil (FO)) or a vegetable-based diet (Diet Vstimulus, 10% FM/0% FO) for 3 weeks. Subsequently, all fish were then fed under the same conditions with a commercial, marine-based, diet for 15 weeks and thereafter challenged with a second V diet (Diet Vchallenge, 10% FM/0% FO) for 6 weeks. Diploid and triploid siblings were run in parallel to examine ploidy effects. Growth performance, feed intake, nutrient utilisation and intestinal morphology were monitored. Fish initially given Diet Vstimulus (V-fish) showed 24 % higher growth rate and 23 % better feed efficiency compared with M-fish when later challenged with Diet Vchallenge. There was no difference in feed intake between nutritional histories, but increased nutrient retentions highlighted the improved utilisation of a V diet in V-fish. There were generally few significant effects of nutritional history or ploidy on enteritis scores in the distal intestine after the challenge phase as only V-triploids showed a significant increase (P
DOI Link: 10.1017/S0007114517001842
Rights: © The Authors 2017 This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (, which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
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