Effect of different sources of lipids in diet on the qualitative characteristics of Longissimus thoracis muscle of cattle finished in feedlots
作者： da Silva Lima Erico , Prudencio Gomes de Morais Jozivaldo , de Oliveira Roca Roberto , Nery de Andrade Ernani , Neves Pereira Valente Tiago
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摘要: The objective of this study was to determine the effect dietary inclusion lipid-based diets (whole cottonseed and protected fat) on pH, meat color fat, tenderness cooking yield in Longissimus thoracis muscle cattle feedlot. Were used 39 Nellore uncastrated with average initial body weight 494.1 ± 10.1 kg 36 months age were housed for 63 days pens thirteen animals each. A completely randomized design three treatments replications used. evaluated were: Feed 2.50% whole (control diet); feed 11.50% cottonseed; 3.13% added lipid (PL), all a dry matter basis. No differences found pH 24 h post mortem, or yield. values shear force presented (P <0.05), fed had greater value than those diet, relation matter. came conclusion that does not influence qualitative characteristics amount diet contribute improvement texture meat. Key words: Color, yield, force, cottonseed.
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