Table 1.
Carcass trait means of steers (N = 16) and top round subprimal characteristics (n = 32)
| Average | Oversized | ||||||
|---|---|---|---|---|---|---|---|
| Carcass | Min | Max | Mean | Min | Max | Mean | SEM |
| Hot carcass weight, kg | 335 | 387 | 366b | 432 | 500 | 462a | 6 |
| 12th rib fat thickness, cm | 0.76 | 2.03 | 1.32 | 1.02 | 2.29 | 1.50 | 0.12 |
| Ribeye area, cm2 | 68.4 | 103.2 | 85.9b | 83.9 | 107.1 | 98.4a | 2.5 |
| Kidney, pelvic, and heart fat, % | 1.5 | 2.5 | 2 | 1.5 | 2.5 | 2 | 0.1 |
| Round circumference, cm | 109.2 | 128.3 | 117.3b | 121.9 | 134.6 | 128.5a | 1.3 |
| Calculated yield grade | 2.46 | 3.98 | 3.24 | 2.94 | 3.92 | 3.35 | 0.11 |
| Top round subprimal | |||||||
| Length, cm | 40.6 | 53.3 | 49.5b | 58.4 | 76.7 | 55.6a | 0.8 |
| Width, cm | 52.8 | 63.5 | 57.7b | 58.4 | 73.7 | 65.3a | 1.0 |
| Untrimmed wt., kg | 9.04 | 11.62 | 10.32b | 10.94 | 14.75 | 13.07a | 0.24 |
| Trimmed wt., kg | 5.57 | 8.82 | 6.85 | 6.37 | 9.02 | 7.51 | 0.23 |
| Ultimate pH | 5.4 | 5.6 | 5.5 | 5.4 | 5.6 | 5.5 | 0.02 |
abWithin a trait, means without common superscripts differ (P < 0.05).