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Title: The effects of feeding flaxseed to beef cows given forage based diets on fatty acids of longissimus thoracis muscle and backfat
Authors: Nassu, R. T., Dugan, M. E. R., He, M. L., McAllister, T. A., Aalhus, J. L., Aldai, Noelia, Kramer, J. K. G.
Keywords: Cull cow
Omega-3 fatty acids
Conjugated linoleic acids
Issue Date: 2011
Publisher: Elsevier
Abstract: This study was conducted to investigate changes in fatty acid profiles of beef cows fed grass hay or barley silage based diets, with or without flaxseed supplementation. Both flaxseed and hay feeding increased levels of a-linolenic acid (LNA; 18:3n-3) in longissimus thoracis and backfat (P<0.001). A forage type by flaxseed level interaction was observed for most LNA biohydrogenation intermediates (P<0.05) that indicated feeding hay combined with flaxseed led to the greatest levels of total conjugated linolenic acid, total conjugated linoleic acid, total non-conjugated dienes and total trans-18:1. Predominant biohydrogenation intermediates included t11,c15-18:2, rumenic acid (c9,t11-18:2) and vaccenic acid (t11-18:1).
Description: 9 páginas, 6 figuras, 3 tablas.
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ISSN: 0309-1740
Citation: Meat Science 89 (4): 469-477 (2011)
Appears in Collections:(IGM) Artículos

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