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Effects of red clover silage and supplementary vitamin E on the polyunsaturated fatty acid content of milk from Holstein-Friesian cows

Published online by Cambridge University Press:  20 November 2017

R. J. Dewhurst ,
J. K. S. Tweed ,
W. J. Fisher ,
R. M. Al-Mabruk  and
N. F. G. Beck
R. J. Dewhurst*
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth SY23 3EB, U.K.
J. K. S. Tweed
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth SY23 3EB, U.K.
W. J. Fisher
Affiliation:
Institute of Grassland and Environmental Research, Trawsgoed Research Farm, Aberystwyth SY23 4LL, U.K.
R. M. Al-Mabruk
Affiliation:
Institute of Rural Studies, University of Wales, Llanbadarn Campus, Aberystwyth SY23 3AL, U.K
N. F. G. Beck
Affiliation:
Institute of Rural Studies, University of Wales, Llanbadarn Campus, Aberystwyth SY23 3AL, U.K
*
Email: richard.dewhurst@bbsrc.ac.uk
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Extract

Red clover silage is an important component of many organic dairy systems. The high intake and milk production potential of red clover silage has been recognised for many years (e.g. Thomas et al., 1985). Our earlier studies confirmed this potential and showed additional benefits with increased polyunsaturated fatty acid (PUFA) content of milk (Dewhurst et al., 2002). The objective of this study was to investigate further the effect of red clover silage on milk PUFA and to examine whether supplementary vitamin E, which is needed to slow oxidative deterioration of milk with enhanced PUFA content, had an effect.

Type
ISAE/BSAS
Information
Proceedings of the British Society of Animal Science , Volume 2003 , 2003 , pp. 42
Copyright
Copyright © The British Society of Animal Science 2003

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References

Dewhurst, R. J., Tweed, J. K. S., Davies, D. W. R. and Fisher, W. J. 2002. Effects of legume silages on the concentration of α-linolenic acid in milk. Proceedings of the 13th. International Silage Conference. Pages 136–137.Google Scholar
Thomas, C., Aston, K. and Daley, S. R. 1985. Milk production from silage. 3. A comparison of red clover with grass silage. Animal Production 41: 23–31.Google Scholar