Physical and Chemical and Fatty Acid Profile in the Steers Beef with Different Genetic Predominance Fed with Diets Containing Substitutions Levels of Corn by Pearl Millet (original) (raw)

Abstract

Abstract Text: This study aimed to evaluate the steers crossbred meat fatty acid profile with European (E) or Zebu (Z) genotypic predominance fed with high concentrated diets (80%) containing levels of ground millet grain in replacement of ground corn grain (0, 33, 66 and 100%). Twenty-four steers of each genetic predominance were feedlot during 96 days and slaughtered at 24 months of age. The experimental design was completely randomized design with treatments in a 4x2 factorial arrangement using six replicates. The initial pH (6.68) and final carcass pH values (5.9), the final carcass temperature (9.72ÂșC), the fluid loss during thawing (9.7%) and cooking (26.6%), color (3.7 points), texture (3.1 points), marbling (4.5 points), the shear strength of the muscle fibers (8.1 kgf) and moisture (72.9% ), crude protein (23.0%) and ether extract content (1.5%) of the meat were not affected by the substitution of corn grain by millet grain (P>0.05). Meat characteristics were not influen...

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