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Article Dans Une Revue Meat Science Année : 2012

The effect of maternal linseed supplementation and/or lamb linseed supplementation on muscle and subcutaneous adipose tissue fatty acid composition of indoor lambs

Résumé

Eighty eight lambs were used in a 2 x 2 factorial arrangement 1) to investigate the effect of maternal dietary linseed supplementation and /or lamb linseed supplemented concentrate on growth performance, carcass fat quality and fatty acid (FA) composition of muscle and dorsal adipose tissue of indoor lambs 2) to study the relationships between subcutaneous fat quality and FA composition. Feeding linseed to ewes increased C18:3 n-3 (ALA) proportion in milk and therefore the ALA supply to suckling lambs. However, ALA and n-3 polyunsaturated FA (n-3 PUFA) proportions in lamb tissues were not affected. Feeding linseed to lambs during the post-weaning period significantly increased the proportions of ALA and n-3 PUFA in tissues. Softer and more coloured fat was associated with a decrease in even medium-chain saturated FA and increases in odd and methyl FA proportions but not with ALA proportion in subcutaneous adipose tissue.
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hal-01000734 , version 1 (29-05-2020)

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Valérie Berthelot, Pierre P. Bas, E. E. Pottier, Jérôme J. Normand. The effect of maternal linseed supplementation and/or lamb linseed supplementation on muscle and subcutaneous adipose tissue fatty acid composition of indoor lambs. Meat Science, 2012, 90 (3), pp.548-557. ⟨10.1016/j.meatsci.2011.09.014⟩. ⟨hal-01000734⟩
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