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Effect of pasture botanical composition on milk composition in organic production

Adler, Steffen; Dahl, A.V.; Vae, A.H.; Thuen, E.; Garmo, T.; Krogh-Jensen, S.; Hansen-Møller, J. and Steinshamn, Håvard (2010) Effect of pasture botanical composition on milk composition in organic production. In: Schnyder, H.; Isselstein, J.; Taube, F.; Auerswald, K.; Schellberg, J.; Wachendorf, M.; Herrmann, A.; Gierus, M.; Wrage, N. and Hopkins, A. (Eds.) Grassland Science in Europe, 15, Grassland Science in Europe, pp. 425-427.

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Milk samples from sixteen Norwegian Red dairy cows grazing mixed swards of either grass-red clover (GR) or mixed swards of sown and unsown species of grass, clover and other herbs (GCH) were collected during four periods. Both pastures were organically managed. Pasture botanical composition had no effect on milk fat, protein or vitamin concentration and only minor effects on fatty acid composition. Milk from GR had higher concentrations of the phytoestrogens equol, genistein and biochanin A than the milk from GCH. Concentrations of equol in milk from GR were higher than concentrations reported from experiments with red clover silage. The oxidative stability of the milk lipids was not affected by pasture type.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Lecture
Other Type:Oral presentation
Keywords:Dairy production, grazing, botanical composition, fatty acids, vitamins, phytoestrogens, oxidative stability,PhytoMilk
Subjects: Animal husbandry > Production systems > Dairy cattle
Crop husbandry > Production systems > Pasture and forage crops
Animal husbandry > Feeding and growth
Research affiliation: European Union > CORE Organic > PHYTOMILK
Related Links:http://phytomilk.coreportal.org/
Deposited By: Steinshamn, Dr Håvard
ID Code:17493
Deposited On:04 Nov 2010 13:24
Last Modified:19 May 2011 10:42
Document Language:English
Refereed:Peer-reviewed and accepted

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