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Clover species in grass-clover silages affects milk fatty acid composition

Steinshamn, Håvard; Thuen, Erling and Brenøe, Ulrik Tutein (2007) Clover species in grass-clover silages affects milk fatty acid composition. Journal of Animal and Feed Sciences, 16 (Suppl. 1), pp. 65-69.

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Summary

The objective of this study was to examine the effect of clover species on milk fatty acid
(FA) composition. Lactating dairy cows were allocated to two groups and fed grass-clover silage containing either white clover (WC) or red clover (RC), without or with concentrate supplementation. No significant interaction of clover species with concentrate supplementation could be observed. RC milk had significantly higher proportion of polyunsaturated FAs (P<0.001), particularly C18:3n-3 (P<0.001), and contained a higher n-3/n-6 FA ratio (P<0.05) than WC milk. It is concluded that RC silage, independent of concentrate supply, yielded milk with more beneficial FA composition than WC silage.


EPrint Type:Journal paper
Keywords:Trifolium repens, Trifolium pratense, silage, dairy milk, fatty acid, organic agriculture
Subjects: Food systems > Food security, food quality and human health
Animal husbandry > Production systems > Dairy cattle
Animal husbandry > Feeding and growth
Research affiliation: Norway > UMB - Norwegian University of Life Sciences
Norway > Bioforsk - Norwegian Institute for Agriculture and Environmental Research > Bioforsk Organic Food and Farming Division
Deposited By: Steinshamn, Dr Håvard
ID Code:10897
Deposited On:05 Jul 2007
Last Modified:12 Apr 2010 07:35
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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