The Fatty Acid Composition of Cooked Longissimus Muscle from Grass-Fed, Concentrate-Fed or Grass Silage and Concentrate-Fed Heifers

C. McElhinney; E. O’ Riordan; F.J. Monahan; A.P. Moloney

The Fatty Acid Composition of Cooked Longissimus Muscle from Grass-Fed, Concentrate-Fed or Grass Silage and Concentrate-Fed Heifers

In: 63rd International Congress of Meat Science and Technology

Authors:

C. McElhinney

C. McElhinney ¹Teagasc Animal & Grassland Research and Innovation Centre, Grange, Dunsany, Co. Meath, Ireland

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E. O’ Riordan

E. O’ Riordan ¹Teagasc Animal & Grassland Research and Innovation Centre, Grange, Dunsany, Co. Meath, Ireland

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F.J. Monahan

F.J. Monahan ²University College Dublin, School of Agriculture and Food Science, Belfield, Dublin 4, Ireland; cormack.mcelhinney@teagasc.ie

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, and

A.P. Moloney

A.P. Moloney ¹Teagasc Animal & Grassland Research and Innovation Centre, Grange, Dunsany, Co. Meath, Ireland

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Type:: Chapter

Pages:: 303–304

DOI:: https://doi.org/10.3920/9789086868605_129

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The effects of a novel ‘all grass-based’ diet and the more traditional concentrate/silage-diets on the fatty acid composition of cooked beef muscle were compared. Early maturing heifers (n=15/group) were offered either: barley/soya ration ad libitum + 10 kg grass silage (CONC), grazed grass followed by grass silage ad libitum + 2 kg of the above concentrate (GSR) or 2 kg concentrate supplemented with ruminally protected linseed meal (GSN) or high digestibility grass (GPO). When the two extreme diets were compared, cooked beef from GPO had higher proportions of PUFA, MUFA, Omega-3, EPA and CLA than CONC. Consumption of grass-fed beef with increased n-3 fatty acids and CLA can contribute to daily requirements of these beneficial fatty acids.

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

E-Book ISBN:: 9789086868605

Publisher:: Wageningen Academic

Print Publication Date:: 15 Nov 2017

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- Life Sciences

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The Fatty Acid Composition of Cooked Longissimus Muscle from Grass-Fed, Concentrate-Fed or Grass Silage and Concentrate-Fed Heifers

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63rd International Congress of Meat Science and Technology

Nurturing locally, growing globally

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