Fatty acid profiles of wild brown trout and Atlantic salmon juveniles in the Nivelle basin

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Abstract:

Samples of Atlantic salmon Salmo salar 0+ year parr and brown trout Salmo trutta 1+ year juveniles, and 2+ and 3+ year sub‐adults were obtained from nine sites of the Nivelle River, France, located at the southern edge of the species distribution area. Fatty acid composition of the different samples were analysed. Within the same river basin, the fatty acid profiles appeared to vary among samples from different locations. Based on cluster analysis, fatty acid signatures of both species appeared to discriminate samples from different locations.

Keywords: Atlantic salmon; brown trout; fatty acid profile; fresh water; signature

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.0022-1112.2006.01005.x

Affiliations: 1: UMR NuAGe «Nutrition Aquaculture & Genomics», Station d’Hydrobiologie, 64310 St-Pée-sur-Nivelle, France, 2: University Federal de Santa Maria, Campus de Camobi, 97105-100 Santa Maria, RS, Brazil and 3: UMR Ecobiop, “Ecologie Comportementale et Biologie des Populations des Poissons, Station d’Hydrobiologie, 64310 St-Pée-sur-Nivelle, France

Publication date: May 1, 2006

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