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dc.contributor.authorDewanckele, L.es_ES
dc.contributor.authorToral, Pablo G.es_ES
dc.contributor.authorVlaeminck, B.es_ES
dc.contributor.authorFievez, V.es_ES
dc.identifier.citationJournal of Dairy Science, 103 (9): 7655-7681 (2020)es_ES
dc.description27 páginas, 6 figuras, 2 tablas.es_ES
dc.description.abstractTo meet the energy requirements of high-yielding dairy cows, grains and fats have increasingly been incorporated in ruminant diets. Moreover, lipid supplements have been included in ruminant diets under experimental or practical conditions to increase the concentrations of bioactive n-3 fatty acids and conjugated linoleic acids in milk and meat. Nevertheless, those feeding practices have dramatically increased the incidence of milk fat depression in dairy cattle. Although induction of milk fat depression may be a management tool, most often, diet-induced milk fat depression is unintended and associated with a direct economic loss. In this review, we give an update on the role of fatty acids, particularly originating from rumen biohydrogenation, as well as of rumen microbes in diet-induced milk fat depression. Although this syndrome seems to be multi-etiological, the best-known causal factor remains the shift in rumen biohydrogenation pathway from the formation of mainly trans-11 intermediates toward greater accumulation of trans-10 intermediates, referred to as the trans-11 to trans-10 shift. The microbial etiology of this trans-11 to trans-10 shift is not well understood yet and it seems that unraveling the microbial mechanisms of diet-induced milk fat depression is challenging. Potential strategies to avoid diet-induced milk fat depression are supplementation with rumen stabilizers, selection toward more tolerant animals, tailored management of cows at risk, selection toward more efficient fiberdigesting cows, or feeding less concentrates and grainses_ES
dc.description.sponsorshipL. Dewanckele received a PhD grant from the Special Research Fund of Ghent University (BOF-Belgium, grant number BOF15/DOC/246). P. G. Toral benefits from a Ramón y Cajal research contract from the MINECO (RYC-2015-17230), co-funded by the European Social Fund. The authors have not stated any conflicts of interest.es_ES
dc.publisherAmerican Dairy Science Associationes_ES
dc.subjectBiohydrogenating bacteriaes_ES
dc.subjectBiohydrogenation theoryes_ES
dc.subjectMammary lipogenesises_ES
dc.subjectTrans-10 shiftes_ES
dc.titleInvited review: Role of rumen biohydrogenation intermediates and rumen microbes in diet-induced milk fat depression: An updatees_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderGhent Universityes_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
oprm.item.hasRevisionno ko 0 false*
dc.contributor.orcidToral, Pablo G. [0000-0002-1913-7707]es_ES
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