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Effect of level of fish oil in the diet on flow of fatty acids to the small intestine in steers

Published online by Cambridge University Press:  23 November 2017

E. J. Kim ,
J. D. Wood ,
I. Richardson ,
S. A. Huws  and
N. D. Scollan
E. J. Kim*
Affiliation:
Institute of Grassland and Environmental Research, Aberystwyth, Ceredigion, United Kingdom
J. D. Wood
Affiliation:
University of Bristol, Langford, Bristol, United Kingdom
I. Richardson
Affiliation:
University of Bristol, Langford, Bristol, United Kingdom
S. A. Huws
Affiliation:
Institute of Grassland and Environmental Research, Aberystwyth, Ceredigion, United Kingdom
N. D. Scollan
Affiliation:
Institute of Grassland and Environmental Research, Aberystwyth, Ceredigion, United Kingdom
*
Email:[email protected]
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Extract

Previous studies have shown that including fish oil (FO) in the diet of beef cattle resulted in increased long chain C20n-3 PUFA (C20:5n-3 and C22:6n-3) in muscle resulting in a lower n-6:n-3 ratio (Scollan et al., 2005). Fish oil is considered to be a good inhibitor of biohydrogenation in the rumen, resulting in increased production of C18:1 trans-11 (Vaccenic acid), the precursor for conjugated linoleic acid (CLA cis-9, trans-11) in muscle. This study investigated the effects of incremental levels of FO in the diet on fatty acid metabolism in the rumen.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2007 , April 2007 , pp. 151
Copyright
Copyright © The British Society of Animal Science 2007

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References

Lee, M.R.F, Harris, L.J., Dewhurst, R.J., Merry, R.J. and Scollan, N.D. 2003. Animal Science 76: 491–501.Google Scholar
Scollan, N.D., Enser, M., Hallett, K.G., Ball, R., Nute, G.R., Wood, J.D. and Richardson, I. 2005. Proceedings of the British Society of Animal Science, 21.Google Scholar