Differences in the trans-18:1 profile of the backfat of feedlot steers fed wheat or corn based dried distillers' grains

被引：17

作者：

Aldai, N. ^{[1
]}

Dugan, M. E. R. ^{[1
]}

Aalhus, J. L. ^{[1
]}

McAllister, T. A. ^{[2
]}

Walter, L. J. ^{[3
]}

McKinnon, J. J. ^{[3
]}

机构：

[1] Agr & Agri Food Canada, Lacombe Res Ctr, Lacombe, AB T4L 1W1, Canada

[2] Agr & Agri Food Canada, Lethbridge Res Ctr, Lethbridge, AB T1J 4B1, Canada

[3] Univ Saskatchewan, Dept Anim & Poultry Sci, Saskatoon, SK S7N 5A8, Canada

来源：

ANIMAL FEED SCIENCE AND TECHNOLOGY | 2010年 / 157卷 / 3-4期

关键词：

Beef; Distillers' grains; Fatty acids; Trans; CONJUGATED LINOLEIC ACIDS; RUMINAL FERMENTATION; MILK-FAT; CATTLE; DIETS; DIGESTIBILITY; PERFORMANCE; ISOMERS; ADIPOSE; BEEF;

D O I：

10.1016/j.anifeedsci.2010.03.009

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Backfat composition was compared in steers fed either a control (barley grain based) diet or diets containing increasing levels of corn or wheat derived dried distillers' grains with solubles (DDGS; 20 g or 40 g/100 g of total mixed ration on a dry mater basis). Backfat total saturated fatty acids, other c,t-/c,c-/t,t-dienes, and conjugated linoleic acids, were unaffected by feeding DDGS. Monounsaturated fatty acids were higher in control steers while polyunsaturated fatty acids were higher in backfat from DDGS fed steers. Overall, backfat from control and wheat derived DOGS fed steers had lower levels of trans-18:1 and consequently lower levels of individual trans-18:1 isomers and a higher 11t-/10t-ratio compared to backfat from corn derived DOGS fed steers. This indicates that beef from cattle fed wheat derived DOGS had a fatty acid profile more favourable to human health than cattle fed corn DDGS. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.

引用

页码：168 / 172

页数：5

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