Publicação: Coloração da gordura e qualidade da carne de ovelhas de descarte abatidas em distintos estágios fisiológicos
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2010-04-01
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The physical quality of the Longissimus lumborum muscle of Santa Inês culled ewes slaughtered at different physiological stages was evaluated as well as the color of the subcutaneous fat of the same muscle, and the correlations between meat quality traits. Twenty-one ewes were randomly allotted in the following treatments: T1= ewes which remained in lactation for 60 days with their respective lambs and slaughtered one day after weaning of the lambs; T2= ewes which remained in lactation for 60 days with their respective lambs, followed by an additional period of 30 days without the lambs and slaughtered afterwards; and T3= non pregnant ewes. The colors of meat and subcutaneous fat were not influenced by the physiological stage of the animals at the moment of slaughtering, except meat luminosity (T1= 41.13; T2= 37.56 and T3= 38.12 L*). The physical quality of the meat presented little variation between treatments; however, shear force (T1= 4.08; T2=2.86 and T3=2.35 kgf/cm2) and losses by cooking (T1=31.97; T2=35.70 and T3= 31.91 %) were affected by treatments. No high correlation between most of the evaluated traits was observed.
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Português
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Arquivo Brasileiro de Medicina Veterinaria e Zootecnia, v. 62, n. 2, p. 475-480, 2010.
