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Arquivo Brasileiro de Medicina Veterinária e Zootecnia

Print version ISSN 0102-0935On-line version ISSN 1678-4162


FERREIRA, J.M. et al. Carcass fatty acid composition of broiler fed different sources of energy. Arq. Bras. Med. Vet. Zootec. [online]. 1999, vol.51, n.2, pp.201-206. ISSN 0102-0935.

An experiment was carried out with the objective of evaluating the effect of metabolizable energy levels, normally utilized in ration for broilers by addition of vegetable oils (soybean, rapeseed, and palm), on the profiles of fatty acids of the skin and meat of breast and thigh according sex and lineage, based on 2,400 one-day-old chicks, males and females, from Hubbard and Avian Farms. The fowls were given initial and finisher rations with metabolizable energy levels of 3,050 and 3,150kcal/kg, respectively, obtained by the inclusion of vegetable oils, which provided fatty acids, including "w-3". The initial and finisher control rations were based on corn and soybean, without oil inclusion, with metabolizable energy levels of 2,900 and 3,000, respectively. A completely randomized design with factorial arrangement (4 rations ´ 2 sexes ´ 2 lines) and SMD test were used. No effects of sex, lineage and oil inclusion on carcass fatty acid profiles were observed.

Keywords : Broiler; vegetable oil; fatty acid; carcass.

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