Journal
MEAT SCIENCE
Volume 106, Issue -, Pages 25-30Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2015.03.020
Keywords
Beef; Breed; Longissimus; Iron; Magnesium; Zinc
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The objective of this study was to evaluate sire breed effect on mineral concentration in beef longissimus thoracis (LT) and investigate the correlations between beef mineral concentrations and carcass and palatability traits. Steer progeny (N = 246) from the Germplasm Evaluation project Cycle VIII were used in this study. In addition to carcass traits, LT was evaluated for mineral concentrations, Warner-Bratzler shear force, and palatability traits. A mixed linear model estimated breed effects on mineral concentrations. No significant sire breed (P >= 0.43) or dam breed (P >= 0.20) effects were identified for mineral concentrations. Pearson correlation coefficients were calculated among mineral concentrations, carcass, and sensory traits. Zinc concentration was positively correlated (P <= 0.05) with total iron (r = 0.14), heme iron (r = 0.13), and magnesium (r = 0.19). Significant (P < 0.05) correlations were identified between non-heme or heme iron and most traits in this study. Magnesium concentration was correlated with all carcass and palatability traits. (C) 2015 Elsevier Ltd. All rights reserved.
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