Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.

This study examines the potential effects of linseed oil as a total replacement for fish oil in the formulated diet of Arctic charr, brook charr and their reciprocal hybrids. Muscle fatty acid composition, growth performance and feed utilization were evaluated on four experimental groups submitted t...

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Autores principales:	Bernard-Antonin Dupont-Cyr, Nathalie R. Le François, Felix Christen, Véronique Desrosiers, Arianne Savoie, Grant W. Vandenberg, France Dufresne, Pierre U. Blier
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Charr Salvelinus Growth Hybridization Proteolytic enzymes Aquafeed Aquaculture. Fisheries. Angling SH1-691
Acceso en línea:	https://doaj.org/article/cb0dfcb5b5274f8cb22109ac10d1fa44
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spelling	oai:doaj.org-article:cb0dfcb5b5274f8cb22109ac10d1fa442021-12-02T05:01:57ZLinseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.2352-513410.1016/j.aqrep.2021.100949https://doaj.org/article/cb0dfcb5b5274f8cb22109ac10d1fa442022-02-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352513421003665https://doaj.org/toc/2352-5134This study examines the potential effects of linseed oil as a total replacement for fish oil in the formulated diet of Arctic charr, brook charr and their reciprocal hybrids. Muscle fatty acid composition, growth performance and feed utilization were evaluated on four experimental groups submitted to two different dietary lipid sources (100% linseed oil or 100% fish oil). Growth performance, feed utilization, muscle lipids and protein content were not affected by dietary linseed oil. Lipid source significantly affected muscle fatty acid profile. The replacement of fish oil by linseed led to an average reduction in 20:5n3 and 22:6 n3 (25.5% and 18.4% respectively) and an increase in 18:3n3 (177%) (mean values calculated for the four experimental groups). Muscle fatty acid profile was primarily influenced by feed content. Hybridization between the closely related species did not appear to affect the expression of key enzymes for HUFA biosynthesis. Our results show that linseed can be used as a fish oil replacement in charr without any significant impact on growth, feed utilization or muscle lipid and protein content.Bernard-Antonin Dupont-CyrNathalie R. Le FrançoisFelix ChristenVéronique DesrosiersArianne SavoieGrant W. VandenbergFrance DufresnePierre U. BlierElsevierarticleCharrSalvelinusGrowthHybridizationProteolytic enzymesAquafeedAquaculture. Fisheries. AnglingSH1-691ENAquaculture Reports, Vol 22, Iss , Pp 100949- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Charr Salvelinus Growth Hybridization Proteolytic enzymes Aquafeed Aquaculture. Fisheries. Angling SH1-691
spellingShingle	Charr Salvelinus Growth Hybridization Proteolytic enzymes Aquafeed Aquaculture. Fisheries. Angling SH1-691 Bernard-Antonin Dupont-Cyr Nathalie R. Le François Felix Christen Véronique Desrosiers Arianne Savoie Grant W. Vandenberg France Dufresne Pierre U. Blier Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.
description	This study examines the potential effects of linseed oil as a total replacement for fish oil in the formulated diet of Arctic charr, brook charr and their reciprocal hybrids. Muscle fatty acid composition, growth performance and feed utilization were evaluated on four experimental groups submitted to two different dietary lipid sources (100% linseed oil or 100% fish oil). Growth performance, feed utilization, muscle lipids and protein content were not affected by dietary linseed oil. Lipid source significantly affected muscle fatty acid profile. The replacement of fish oil by linseed led to an average reduction in 20:5n3 and 22:6 n3 (25.5% and 18.4% respectively) and an increase in 18:3n3 (177%) (mean values calculated for the four experimental groups). Muscle fatty acid profile was primarily influenced by feed content. Hybridization between the closely related species did not appear to affect the expression of key enzymes for HUFA biosynthesis. Our results show that linseed can be used as a fish oil replacement in charr without any significant impact on growth, feed utilization or muscle lipid and protein content.
format	article
author	Bernard-Antonin Dupont-Cyr Nathalie R. Le François Felix Christen Véronique Desrosiers Arianne Savoie Grant W. Vandenberg France Dufresne Pierre U. Blier
author_facet	Bernard-Antonin Dupont-Cyr Nathalie R. Le François Felix Christen Véronique Desrosiers Arianne Savoie Grant W. Vandenberg France Dufresne Pierre U. Blier
author_sort	Bernard-Antonin Dupont-Cyr
title	Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.
title_short	Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.
title_full	Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.
title_fullStr	Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.
title_full_unstemmed	Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.
title_sort	linseed oil as a substitute for fish oil in the diet of arctic charr (salvelinus alpinus), brook charr (s. fontinalis) and their reciprocal hybrids.
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/cb0dfcb5b5274f8cb22109ac10d1fa44
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Linseed oil as a substitute for fish oil in the diet of Arctic charr (Salvelinus alpinus), brook charr (S. fontinalis) and their reciprocal hybrids.

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