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Biohydrogenation and duodenal flow of C18 polyunsaturated fatty acids in steers fed grass or grass: legume silages

Published online by Cambridge University Press:  20 November 2017

M.R.F. Lee ,
R.T. Evans ,
M.S. Dhanoa ,
R. Merry ,
R. J. Dewhurst  and
N. D. Scollan
M.R.F. Lee
Affiliation:
Institute of Grassland and Environmental Research, Plas Goggerdan, Aberystwyth SY23 3EB, UK
R.T. Evans
Affiliation:
Institute of Grassland and Environmental Research, Plas Goggerdan, Aberystwyth SY23 3EB, UK
M.S. Dhanoa
Affiliation:
Institute of Grassland and Environmental Research, Plas Goggerdan, Aberystwyth SY23 3EB, UK
R. Merry
Affiliation:
Institute of Grassland and Environmental Research, Plas Goggerdan, Aberystwyth SY23 3EB, UK
R. J. Dewhurst
Affiliation:
Institute of Grassland and Environmental Research, Plas Goggerdan, Aberystwyth SY23 3EB, UK
N. D. Scollan
Affiliation:
Institute of Grassland and Environmental Research, Plas Goggerdan, Aberystwyth SY23 3EB, UK
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Extract

Forages are a rich source of beneficial n-3 PUFAs (?-linolenic acid; C18:3n- 3) and may be a useful means of modifying the fatty acid composition of ruminant products. Altering the fatty acid composition of ruminant products is difficult due to the biohydrogenation action of rumen micro-organisms, which hydrogenate the PUFAs into monounsaturated and saturated fatty acids. Little information is available on biohydrogenation of PUFAs in forages hence this study investigated this in steers fed on perennial ryegrass, red or white clover silages or combinations thereof.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2002 , 2002 , pp. 10
Copyright
Copyright © The British Society of Animal Science 2002

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References

Lawes Agricultural Trust, 1997, Genstat 5, Rothamsted Experimental Station, Harpendon, Hertfordshire, UK.Google Scholar
Enser, M., Richardson, R.I., Nute, G.R., Fisher, A.V., Scollan, N.D., Wood, J.D., 2001, Effect of red and white clover on beef meat quality, The Proceedings of the British Society of Animal Science, pp. 75.CrossRefGoogle Scholar