Abstract

ABSTRACTTen Holstein steers were fed conventional back grounding and finishing diets and 10 comparable steers were supplemented with poultry litter. At the end of the finishing period, all animals were harvested. After 144 h at 2C, the boneless M. longissimus thoracis et lumborum muscles were removed, cut into steaks (1.9 cm), vacuum packaged, and frozen. A steak adjacent to the thirteenth thoracic vertebra of alternate carcass sides was removed and thawed (4C for 24 h). All steaks were then over wrapped in oxygen permeable film, displayed for four days, and evaluated for retail properties and performance. Changes in visual properties and meat pigments during display clearly demonstrated samples from treated animals had an additional day of color stability over their untreated counterparts, resulting in an additional day of retail case‐life based upon visual properties.

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