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The dose effect of rumen protected trans-10, cis-12 CLA on milk fat synthesis in dairy ewes

Published online by Cambridge University Press:  23 November 2017

W.M.P.B. Weerasinghe ,
R.G. Wilkinson ,
M.J. De Veth ,
D.E. Bauman  and
L.A. Sinclair
W.M.P.B. Weerasinghe
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, United Kingdom
R.G. Wilkinson
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, United Kingdom
M.J. De Veth
Affiliation:
Balchem Corporation, New Hampton, NY 10958, United States
D.E. Bauman
Affiliation:
Cornell University, Ithaca, NY, United States
L.A. Sinclair*
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire TF10 8NB, United Kingdom
*
Email:lsinclair@harper-adams.ac.uk
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Extract

Trans-10, cis-12 conjugated linoleic acid (CLA), a biohydrogenation intermediary produced in the rumen, has been shown to be a potent inhibitor of milk fat synthesis in dairy cows. Lock et al. (2006) demonstrated that milk fat synthesis in sheep was reduced to a similar extent as in dairy cows when a supplement containing CLA was fed at an equivalent level (metabolic body weight basis), although only one level of CLA inclusion was investigated. The objectives of this study were to examine the effects of level of inclusion of a ruminally protected source of trans-10, cis-12 CLA on milk fat synthesis and performance of dairy ewes.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2008 , 2008 , pp. 123
Copyright
Copyright © The British Society of Animal Science 2008

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References

Lock, A. L., Teles, B. M., Perfield, B.M. II, Bauman, J.W., D. E., and Sinclair, L. A. (2006). A conjugated linoleic acid supplement containing trans-10, cis-12 reduces milk fat synthesis in lactating sheep. J. Dairy Sci. 89: 1525–1532.Google Scholar