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Adan S.,Federacion de Razas Autoctonas de Galicia | Fernandez M.,Fundacion Centro Tecnologico Of La Carne | Dominguez B.,Instituto Ourensan Of Desenvolvemento Economico | Justo J.R.,Federacion de Razas Autoctonas de Galicia | And 6 more authors.
Archivos de Zootecnia | Year: 2011

There were analyzed the physico-chemical properties and the profile of amino acids and fatty acids found in lambs of the Ovella Galega breed fed solely on their mother's milk and slaughtered at 45 days. The results show a low percentage of intramuscular fat (0.62%) and lower-middle hardness (4 kg/cm2). The amino acids' profile is similar to that of a high quality protein. Concerning the fatty acids' profile, the study shows a high percentage of unsaturated (55%), both mono and polyunsaturated, versus a lower percentage of the saturated ones (44.82%), apart from a well proportioned ratio ω6/ ω3, (1,88).

Franco D.,Centro Tecnologico Of La Carne Of Galicia | Rois D.,Federacion de Razas Autoctonas de Galicia | Vazquez J.A.,CSIC - Institute of Marine Research | Lorenzo J.M.,Centro Tecnologico Of La Carne Of Galicia
Spanish Journal of Agricultural Research | Year: 2013

The aim of this study was to describe the carcass characteristics and the meat quality of the roosters from the autochthonous Mos breed slaughtered at 8 months. With comparative purpose roosters from hybrid line Sasso T44 were used in this study. Birds were reared on their typical production system (extensive indoor or barns and finishing diet whit corn). Both live and carcass weight were higher for commercial breed (p < 0.001). Drumstick, thigh and wing percentages were greater in Mos breed than in Sasso T-44, while breast was similar for both genotypes. Only significant differences in cholesterol and α-tocopherol content between genotypes have been found, whereas finishing feeding treatment had effect on moisture, intramuscular fat content, cholesterol, tocopherol isomers and meat yellowness. Unsaturated fatty acids constituted the main contribution to total amount of fatty acid (FA), where monounsaturated oleic acid was the major compound, and found higher concentrations in commercial breed. Mos breed showed higher amounts of polyunsaturated fatty acids (PUFA) and lower amounts of monounsaturated fatty acids (MUFA) than Sasso T-44. The relation PUFA/SFA was above 0.68 for Mos breed and was slightly lower for the other genotype. In conclusion, the carcass morphology and meat quality was influenced by breed and finishing feeding with corn.

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