Fatty acid composition of intramuscular fat from Nellore steers fed dry or high moisture corn and calcium salts of fatty acids |
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| Authors: | Saulo da Luz e Silva, Paulo Roberto Leme, Soraia Marques Putrino, Ang lica Simone Cravo Pereira, Amaury Camilo Valinote, Jos Carlos Machado Nogueira Filho,Dante Pazzanese Duarte Lanna |
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| Affiliation: | aFaculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, P.O. Box 23, CEP 13.635-900, Pirassununga, SP, Brazil;bFaculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, CEP 13.635-900, Pirassununga, SP, Brazil;cEscola Superior de Agricultura Luiz de Queiroz, Universidade de São Paulo, P.O.Box 09, Piracicaba, SP, Brazil |
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| Abstract: | The purpose of this work was to evaluate the fatty acid composition of the Longissimus muscle from carcasses of Nellore steers fed diets with calcium salts of fatty acids (CSFA) and high moisture corn. Forty eight steers were fed during 70 days four diets containing dry corn (DC), high moisture corn (HM), dry corn plus CSFA (DC-CSFA) or high moisture corn plus CSFA (HM-CSFA). Fatty acid composition of the Longissimus muscle was determined by gas chromatography. Corn type had no effect on the ether extract percentage and in the content of the majority of the fatty acids, although steers fed HMC showed higher levels of polyunsaturated fatty acids and polyunsaturated/saturated ratio. Feeding CSFA increased ether extract percentage but had no effect on total of saturated, unsaturated and saturated: unsaturated ratio. Both high moisture corn and calcium salts of fatty acids increased CLA (cis9, trans11) and total CLA concentrations in intramuscular fat. |
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| Keywords: | Beef cattle Corn ensiling Calcium soaps Fat acid profile |
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