Table 1.
National Beef Quality Audit—2022: Instrument grading means, SD, and minimum and maximum values for USDA beef carcass grading traits
| Trait | n | Mean | SD | Minimum | Maximum |
| USDA Quality Grade component | |||||
| Marbling Score1 | 4,401,790 | 516 | 117.8 | 100 | 1099 |
| USDA Yield Grade and components | |||||
| USDA Yield Grade | 4,319,132 | 3.26 | 0.92 | -1.7 | 10.1 |
| Adjusted fat thickness, cm | 4,404,769 | 1.55 | 0.546 | 0.003 | 7.6 |
| HCW, kg | 4,414,611 | 400.6 | 49.69 | 122.5 | 668.1 |
| Ribeye area, cm2 | 4,404,897 | 91.6 | 11.21 | 27.1 | 223.87 |
| KPH, % | 4,335,340 | 2.1 | 0.35 | 0.0001 | 8.112 |
1100 = Practically devoid00, 200 = Traces00, 300 = Slight00, 400 = Small00, 500 = Modest00, 600 = Moderate00, 700 = Slightly Abundant00, 800 = Moderately Abundant00, 900 = Abundant00, and 1000 = Very Abundant00 (U.S. Department of Agriculture, 2017).