Show simple item record Shingfield, Kevin J Rouel, Jacques Chilliard, Yves 2013-11-14T22:02:28Z 2013-11-14T22:02:28Z 2009-04
dc.identifier.citation Shingfield , K J , Rouel , J & Chilliard , Y 2009 , ' Effect of calcium salts of a mixture of conjugated linoleic acids containing trans-10, cis-12 in the diet on milk fat synthesis in goats ' British Journal of Nutrition , vol 101 , no. 7 , pp. 1006-1019 . DOI: 10.1017/S0007114508051696 en
dc.identifier.issn 0007-1145
dc.identifier.other PURE: 3536914
dc.identifier.other PURE UUID: bfc6d1d2-ca7a-4508-af78-c1b377808344
dc.identifier.other PubMed: 18814802
dc.identifier.other Scopus: 67449101654
dc.identifier.other 2160/12582
dc.description.abstract Dietary supplements of conjugated linoleic acid (CLA) containing trans-10, cis-12 CLA decrease milk fat secretion in the lactating cow and sheep, but their effects on mammary lipogenesis in the goat are less well defined. Eight lactating goats were used in two 4 x 4 Latin-square experiments with 14 d experimental periods to examine the effects of calcium salts of CLA methyl esters (CaCLA) containing trans-10, cis-12 on milk fat synthesis. Experimental treatments consisted of incremental inclusion of 0, 30, 60 or 90 g of CaCLA/d (corresponding to 7.47, 14.9 and 22.4 g/d of trans-10, cis-12 CLA) offered during the first 10 d of each experimental period that replaced maize grain in concentrates (Experiment 1) or calcium salts of palm oil fatty acids (Experiment 2). Relative to the control, inclusion of 30, 60 or 90 g CaCLA/d in the diet reduced milk fat yield by 19.8, 27.9 and 32.3 % and 17.5, 39.0 and 49.3 % in Experiments 1 and 2, respectively. Decreases in milk fat were due to reductions in the secretion of fatty acids synthesised de novo rather than the uptake of fatty acids from the peripheral circulation. Indirect comparisons with the studies in the lactating cow indicated a lower efficacy of CaCLA supplements on mammary lipogenesis in the goat. In conclusion, CaCLA in the diet inhibits milk fat synthesis in the goat, responses that are dependent on the supply of dietary fatty acids, with evidence that the caprine is less sensitive to the anti-lipogenic effects of trans-10, cis-12 CLA compared with the bovine or ovine. en
dc.format.extent 14 en
dc.language.iso eng
dc.relation.ispartof British Journal of Nutrition en
dc.rights en
dc.subject Animal Feed en
dc.subject Animals en
dc.subject Calcium en
dc.subject Dietary Supplements en
dc.subject Dose-Response Relationship, Drug en
dc.subject Fatty Acids en
dc.subject Female en
dc.subject Goats en
dc.subject Lactation en
dc.subject Lactose en
dc.subject Linoleic Acids, Conjugated en
dc.subject Lipids en
dc.subject Milk en
dc.title Effect of calcium salts of a mixture of conjugated linoleic acids containing trans-10, cis-12 in the diet on milk fat synthesis in goats en
dc.type /dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article en
dc.contributor.institution Department of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en

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