442 Open Access Asian Australas. J. Anim. Sci. Vol. 28, No. 3 : 442-450 March 2015 http://dx.doi.org/10.5713/ajas.14.0650

www.ajas.info pISSN 1011-2367 eISSN 1976-5517

Seasonal Variation in Carcass Characteristics of Korean Cattle Steers

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M. Y. Piao1,2 and M. Baik1,2,* Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Korea

ABSTRACT: Climate temperature affects animal production. This study was conducted to evaluate whether climatic conditions affect beef carcass characteristics of Korean cattle steers. The monthly carcass characteristics of Korean cattle steers (n = 2,182,415) for 8 yr (2006 through 2013) were collected from the Korean Institute for Animal Products Quality Evaluation. Daily climate temperature (CT) and relative humidity (RH) data were collected from the Korean Meteorological Administration. Weather conditions in South Korea during summer were hot and humid, with a maximum temperature of 28.4°C and a maximum RH of 91.4%. The temperature-humidity index (THI), calculated based on CT and RH, ranges from 73 to 80 during summer. Winter in South Korea was cold, with a minimum temperature of –4.0°C and a wind-chill temperature of –6.2°C. Both marbling score (MS) and quality grade (QG) of Korean cattle steer carcasses were generally best (p0.05) with CT. Yield grade (YG) of Korean cattle steer carcasses was lowest (p

Seasonal variation in carcass characteristics of korean cattle steers.

Climate temperature affects animal production. This study was conducted to evaluate whether climatic conditions affect beef carcass characteristics of...
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