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dc.contributor.author
Birkinshaw, Amy
dc.contributor.author
Schwarm, Angela
dc.contributor.author
Marquardt, Svenja
dc.contributor.author
Kreuzer, Michael
dc.contributor.author
Terranova, Melissa
dc.date.accessioned
2021-03-03T15:01:34Z
dc.date.available
2021-01-12T06:43:03Z
dc.date.available
2021-03-03T15:01:34Z
dc.date.issued
2020
dc.identifier.issn
1230-1388
dc.identifier.other
10.22358/jafs/131171/2020
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/461486
dc.identifier.doi
10.3929/ethz-b-000461486
dc.description.abstract
Milk and dairy products considerably contribute to the nutritional value of human diets. In order to benefit human nutrition bovine milk fatty acid composition and phenol content are effectively manipulated by the cow’s diet. However, response times taken for these alterations to occur have not been quantified. In the present study, fatty acid composition and phenol content of the milk were evaluated after three days of feeding six cows six different diets, supplemented with six different tanniferous plants (hazel, silver birch, blackcurrant, grape vine, wood avens and rosebay willow with total tannin concentrations of 26, 36, 42, 52, 55 and 79 g/kg dry matter, respectively). Lucerne was applied as the low-phenol control diet. Substantial changes in total phenols and fatty acids were found in milk samples after just three days. Proportions of cis-9 trans-11 C18:2 and trans-11 C18:1 declined by 29 and 68%, respectively, in comparison to milk from cows fed lucerne, indicating a definitive ruminal biohydrogenation response. However, there were no significant effects between test plants and lucerne when comparing C18:3 n-3 and C18:2 n-6 proportions in milk fat. So, it was demonstrated that phenols and certain individual fatty acids in bovine milk can be rapidly modified by adding specific tanniferous plants to the diet.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Omnitech Press
en_US
dc.rights.uri
http://creativecommons.org/licenses/by-nc/4.0/
dc.subject
Blackcurrant
en_US
dc.subject
Grape vine
en_US
dc.subject
Hazel
en_US
dc.subject
Rosebay willow
en_US
dc.subject
Silver birch
en_US
dc.subject
Wood avens
en_US
dc.title
Rapid responses in bovine milk fatty acid composition and phenol content to various tanniferous forages
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution-NonCommercial 4.0 International
ethz.journal.title
Journal of Animal and Feed Sciences
ethz.journal.volume
29
en_US
ethz.journal.issue
4
en_US
ethz.journal.abbreviated
J. Anim. Feed Sci.
ethz.pages.start
297
en_US
ethz.pages.end
305
en_US
ethz.size
9 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.grant
Identification of the presence of positive associative effects in dairy cattle: Environmental and animal health effects of suitable plant species combinations exceed adverse side-effects on digestion and metabolism.
en_US
ethz.identifier.wos
ethz.publication.place
Warszawa
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03428 - Kreuzer, Michael (emeritus) / Kreuzer, Michael (emeritus)
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03428 - Kreuzer, Michael (emeritus) / Kreuzer, Michael (emeritus)
en_US
ethz.grant.agreementno
ETH-49 15-1
ethz.grant.fundername
ETHZ
ethz.grant.funderDoi
10.13039/501100003006
ethz.grant.program
ETH Grants
ethz.date.deposited
2021-01-12T06:43:12Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2021-03-03T15:01:49Z
ethz.rosetta.lastUpdated
2021-03-03T15:01:49Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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