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21 August 2020 Development and validation of the Canadian retail cut beef yield grades
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The United States Department of Agriculture (USDA) system has five retail cut yield (RCY) classes, whereas the former Canadian system had three total lean yield (TLY) classes. A total of 720 beef carcasses were used to develop a modified grade ruler, harmonizing the Canadian grades into five classes. Beef carcasses (n = 750) from three Canadian federally inspected facilities were graded using both USDA and Canadian (harmonized ruler) systems for external validation. Agreement between the USDA-RCY and the Canadian TLY was high (R2 = 0.80). The validation between the harmonized ruler and the USDA-RCY showed a standard deviation of the difference of 1.32 and a coefficient of concordance of 0.83.

© Her Majesty the Queen in Right of Canada as represented by the Minister of Agriculture and Agri-Food 2020. Permission for reuse (free in most cases) can be obtained from
J. Segura, J.L. Aalhus, N. Prieto, I.L. Larsen, M.E.R. Dugan, and Ó López-Campos "Development and validation of the Canadian retail cut beef yield grades," Canadian Journal of Animal Science 101(1), 196-200, (21 August 2020).
Received: 12 March 2020; Accepted: 15 August 2020; Published: 21 August 2020

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