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Effekt av botanisk sammensetning i surfôr på omsetning av fettløselige vitaminer i vom og overføring til melk

Adler, Steffen; Jensen, Søren K.; Thuen, Erling; Gustavsson, Anne-Maj; Harstad, Odd Magne and Steinshamn, Håvard (2013) Effekt av botanisk sammensetning i surfôr på omsetning av fettløselige vitaminer i vom og overføring til melk. In: Brodin, Janne Karin (Ed.) Husdyrforsøksmøtet 2013, pp. 101-103.

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Summary

Det var en tilsynelatende netto økning av α-tokoferol i vomma mens omtrent halvparten av β-karoten ble brutt ned. Surfôr fra Kortvarig økologisk eng som inneholdt rødkløver ga melk med lavere innhold av fettløselige vitaminer enn de andre surfôrslagene

Summary translation

Ruminal metabolism of fat-soluble vitamins in forages were investigated. Four silages were compared; mix of the first and third cut of organically managed short-term grassland with timothy (Phleum pratense L.) and red clover (Trifolium pratense L.); organically managed long-term grassland with a high proportion of unsown species (6 yr old); conventionally managed ley with perennial ryegrass (Lolium perenne L.); and conventionally managed ley with timothy. There was an apparent net increase of α-tocopherol in the rumen while approximately half of the β-carotene was degraded. Silage from short term organic grassland containing red clover gave milk with lower levels of fat-soluble vitamins than the other sialges

EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:fat soluble vitamins, ruminal metabolism, botanical composition, silage,
Subjects: Animal husbandry > Production systems > Dairy cattle
Crop husbandry > Production systems > Pasture and forage crops
Farming Systems
Food systems > Food security, food quality and human health
Research affiliation: European Union > CORE Organic > PHYTOMILK
Denmark > AU - Aarhus University > AU, DJF - Faculty of Agricultural Sciences
Norway > NMBU - Norwegian University of Life Sciences
Norway > Bioforsk - Norwegian Institute for Agriculture and Environmental Research > Bioforsk Organic Food and Farming Division
Sweden > Swedish University of Agricultural Sciences (SLU) > Agricultural Research for Northern Sweden
ISBN:978-82-7479-025-4
Deposited By: Steinshamn, Dr Håvard
ID Code:23138
Deposited On:03 Sep 2013 07:23
Last Modified:03 Sep 2013 07:23
Document Language:Norwegian/Norsk
Status:Published
Refereed:Not peer-reviewed

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