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Título

Animal performance and fatty acid composition of lambs fed with different vegetable oils

AutorManso, Teresa; Bodas, Raúl ; Castro, Teresa; Jimeno, Vicente; Mantecón, Ángel R.
Palabras clavePalm oil
Sunflower oil
Fattening lambs
Fatty acid
Atherogenicity
Fecha de publicaciónnov-2009
EditorElsevier
CitaciónMeat Science 83(3): 511-516 (2009)
ResumenTwenty-seven lambs were used to investigate the effects of the inclusion of 4% hydrogenated palm oil (HPO) or sunflower oil (SFO) in the concentrate on animal performance, carcass and meat quality and fat characteristics and fatty acid composition. Animals (16.2 +/- 0.27 kg initial weight) were fed concentrate (Control, HPO or SFO) and barley straw ad libitum and slaughtered at 25 kg. SFO lambs tended to eat less concentrate than HPO animals (P < 0.10). Neither HPO nor SFO affected any of the carcass characteristics studied, meat pH and meat and fat colour (P > 0.05). SFO decreased proportions of C16:0, C18:1 cis-11 and C18:3 (P < 0.05) and increased C18:1 trans (P < 0.001) and C18:2/C18:3 ratio (P < 0.05). Atherogenicity index was lower (P < 0.05) when SFO was included in the concentrate. HPO did not affected and SFO improved fatty acid composition of fattening lambs without affecting animal performance.
Descripción6 pages, 7 tables.
Versión del editorhttp://dx.doi.org/10.1016/j.meatsci.2009.06.035
URIhttp://hdl.handle.net/10261/19585
DOI10.1016/j.meatsci.2009.06.035
ISSN0309-1740
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