Relationship between USDA and Japanese beef grades Academic Article uri icon

abstract

  • Angus steers (n = 78) were feedlot-finished to approximately 703 kg live weight. The finished steers were slaughtered at a commercial packing plant, chilled, and evaluated for USDA and Japanese yield and quality-grade characteristics. The resulting carcasses were excessively heavy and fat for the domestic (US) beef industry. Over 70% of the carcasses were US Yield Grade 5, and almost 40% were Japanese Yield Score 'C'. Although excessively fat externally, fewer than 50% of the carcasses qualified for US Prime, and none of the carcasses qualified for Japanese Meat Quality Score 5. Moderate to high correlations were observed between US twelfth-rib carcass traits and Japanese sixth-rib traits; however, multiple-regression equations based on USDA carcass characteristics explained only 46 and 25% of the observed variation in Japanese marbling score and estimated percentage wholesale-cut yield, respectively.

author list (cited authors)

  • Harris, J. J., Lunt, D. K., Savell, J. W., Hawkins, E. W., & Orme, L. E.

citation count

  • 12

complete list of authors

  • Harris, JJ||Lunt, DK||Savell, JW||Hawkins, EW||Orme, LE

publication date

  • January 1995