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http://dx.doi.org/10.5187/JAST.2010.52.2.157

The Influence of Carcass Traits on Carcass Price in Mature Hanwoo Cow  

Kim, Dae-Jung (Department of Animal Resource Science, College of Animal Life Science, Kangwon National University)
Lee, Chang-Woo (Research Center for Livestock Technology)
Lee, Chae-Young (Department of Bioinfomatics & Life-Science, College of Natural Science, Soongsil University)
Kim, Jong-Bok (Department of Animal Resource Science, College of Animal Life Science, Kangwon National University)
Publication Information
Journal of Animal Science and Technology / v.52, no.2, 2010 , pp. 157-164 More about this Journal
Abstract
We investigated the influence of carcass traits on carcass price for Hanwoo cow using multiple regression and path analyses. Data for carcass traits and price were collected on mature Hanwoo cow raised in private farms in Kangwon province that were slaughtered in 2008. A total of 96 animals with the average slaughter age of 51 months were used in the current study. Of the carcass traits studied, marbling score (MAR), dressing percentage (DP), and eye-muscle area (EMA) showed moderate and positive correlations with auction price (AP), while correlation coefficients of meat yield index (MINDEX) with AP were low or even negligible. In multiple regression analyses of AP and carcass price (CP) on cold carcass weight (CWT), back fat thickness (BFT), EMA, MAR, and DP, estimates of $R^2$ were 69.86 and 85.43%, respectively. Partial regression coefficients for CWT, BFT, EMA, MAR and DP were -0.028, -0.106, 0.107, 0.814, and 0.075 in the equation of AP and 0.561, -0.060, 0.083, 0.590, and 0.051 in the equation of CP. In path analyses, MAR's total contribution on the variation of AP was largest (0.667), and the total contributions of MAR and CWT on the variation of CP were 0.403 and 0.397. The current study suggested that marbling was the most influential trait on the variation of auction price, and marbling and cold carcass weight were critical traits on the variation of carcass price.
Keywords
Carcass traits; Carcass price; Multiple regression; Path analyses;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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