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Fatty Acid Deposition on Broiler Meat in Chickens Supplemented with Tuna Oil

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DOI: 10.4236/fns.2013.49A1003    3,811 Downloads   5,655 Views   Citations


The aim of the present study was to evaluate the effect of feeding four levels of tuna oil on performance and fatty acid (FA) profiles of broiler chicken meat. 240 Ross broiler chickens were randomly assigned to 20 pens and divided into four treatments: 0%, 0.75%, 1%, and 1.25% of tuna oil. At 49 days, breast and legs-thighs muscles were processed for FA analysis. Concentrations of FA in legs and thighs meat were significantly higher when compared with breast meat. In both types of meats (breast and legs-thighs), the inclusion of 1.0% or 1.25% of tuna oil in the diet significantly increased (P < 0.05) the concentration of n-3 FA (especially docosahexaenoic and eicosapentaenoic acids). Fat in broiler breast contained a proportion of 29% saturated FA (SFA): 36% monosaturated FA (MFA): 35% polyunsaturated FA (PUFA); while legs and thighs meat had a proportion of 28% SFA: 38% MFA: 33% PUFA. The addition of tuna oil in the broiler diet significantly reduced the deposition of SFA, MFA, and PUFA in breast meat, while in legs and thighs these reductions were less noticeable. The significant reduction in the concentration of n-6 PUFA and the increment of n-3 PUFA were more evident in breast than in legs and thighs, and with the addition of 1% and 1.25% of tuna oil. The results of the present study suggest a difference in FA deposition attributable to supplementation with tuna oil. The addition of tuna oil could be recommendable to increase n-3 PUFA in both broiler chicken breast and legs-thighs meats, providing a healthier and functional chicken meat to consumer.

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J. Morales-Barrera, M. Gonzalez-Alcorta, R. Castillo-Dominguez, O. Prado-Rebolledo, X. Hernandez-Velasco, A. Menconi, G. Tellez, B. Hargis and S. Carrillo-Dominguez, "Fatty Acid Deposition on Broiler Meat in Chickens Supplemented with Tuna Oil," Food and Nutrition Sciences, Vol. 4 No. 9A, 2013, pp. 16-20. doi: 10.4236/fns.2013.49A1003.


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