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dc.contributor.authorMartínez Marín, A. L.-
dc.contributor.authorGómez-Cortés, Pilar-
dc.contributor.authorGómez Castro, G.-
dc.contributor.authorJuárez, Manuela-
dc.contributor.authorPérez Alba, L. M.-
dc.contributor.authorPérez Hernández, M.-
dc.contributor.authorFuente, Miguel Ángel de la-
dc.date.accessioned2012-06-15T13:01:06Z-
dc.date.available2012-06-15T13:01:06Z-
dc.date.issued2012-
dc.identifierdoi: 10.3168/jds.2011-4303-
dc.identifierissn: 0022-0302-
dc.identifiere-issn: 1525-3198-
dc.identifier.citationJournal of Dairy Science 95(4): 1942-1955 (2012)-
dc.identifier.urihttp://hdl.handle.net/10261/51653-
dc.description.abstractIn this work, the effects of increasing amounts of 3 plant oils in diets on the fatty acid (FA) profile of goat milk were studied. The study consisted of 3 experiments, one per oil tested (linseed oil, LO; high oleic sunflower oil, HOSFO; and regular sunflower oil, RSFO). The 3 experiments were conducted successively on 12 Malagueña goats, which were assigned at random to 1 of 4 treatments: 0, 30, 48, and 66 (H) g of added oil/d. A basal diet made of alfalfa hay and pelleted concentrate (33:67) was used in all of the experiments. For each animal, milk samples collected after 15 d on treatments were analyzed for fat, protein, lactose, and FA composition, whereas individual milk yield was measured the last 3 d of each experiment. Oil supplementation affected neither dry matter intake nor milk production traits. Increasing the oil supplementation decreased the content of saturated FA (especially 16:0) in milk fat and increased mono- and polyunsaturated FA in a linear manner. Vaccenic acid content linearly increased with the oil supplementation by 370, 217, and 634% to 5.32, 2.66, and 5.09 g/100 g of total FA methyl esters with the H diet in LO, HOSFO, and RSFO experiments, respectively. Rumenic acid content linearly increased with LO and RSFO supplementation by 298 and 354% from 0.53 and 0.41 g/100 g of total FA methyl esters with the 0 g of added oil/d diet. The content of trans-10-18:1 was not affected by LO supplementation but showed an increasing linear trend with HOSFO supplementation and linearly increased with RSFO supplementation. The ratio of n-6 to n-3 polyunsaturated FA in milk fat was decreased by about 70% with the H diet in the LO experiment and it was increased by 54 and 82% with the H diet in the HOSFO and RSFO experiments. In conclusion, LO supplementation in this work seemed to be the most favorable alternative compared with HOSFO or RSFO supplementation.-
dc.description.sponsorshipThis work was financed by the Ministerio de Ciencia e Innovación (MICINN; AGL2008-04805 and Consolider Ingenio 2010 Programme; FUN-C-FOOD CSD2007- 063) and the Comunidad Autónoma de Madrid (Spain; 2009-AGR-1469).-
dc.language.isoeng-
dc.publisherElsevier-
dc.relationS2009/AGR-1469/ALIBIRD-
dc.relationS2009/AGR-1469/ALIBIRD-
dc.relation.isversionofPreprint-
dc.rightsopenAccess-
dc.titleEffects of feeding increasing dietary levels of high oleic or regular sunflower or linseed oil on fatty acid profile of goat milk-
dc.typeartículo-
dc.identifier.doihttp://dx.doi.org/10.3168/jds.2011-4303-
dc.relation.publisherversionhttp://dx.doi.org/10.3168/jds.2011-4303-
dc.date.updated2012-06-15T13:01:06Z-
dc.description.versionPeer Reviewed-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderComunidad de Madrid-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/100012818es_ES
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