Table 1.
Overall means, SD, medians, and ranges of lamb carcass characteristics collected in the Intermountain West over a year (May 2018 to May 2019)
| Carcass trait1 | n | Mean | SD | Median | Min | Max |
|---|---|---|---|---|---|---|
| HCW2, kg | 9,425 | 40.76 | 9.29 | 39.91 | 10.66 | 90.09 |
| 12th rib fat depth, mm | 9,530 | 8.17 | 3.79 | 7.68 | 0.00 | 33.15 |
| Body-wall thickness, mm | 9,516 | 31.41 | 9.03 | 30.38 | 5.92 | 76.09 |
| LMA, cm2 | 9,530 | 16.93 | 3.03 | 16.75 | 5.32 | 33.79 |
| USDA YG3 | 9,373 | 3.60 | 1.20 | 3.00 | 0.00 | 5.00 |
| CalYG4 | 9,530 | 3.61 | 1.50 | 3.40 | 0.40 | 13.45 |
| %BCTRC5 | 9,405 | 43.21 | 2.80 | 43.45 | 27.80 | 51.12 |
1Longissimus muscle area (LMA), 12th rib fat, and body-wall thickness were taken between the 12th and 13th ribs of both sides and averaged for analysis.
2HCW, hot carcass weight.
3USDA YG, USDA yield grade.
4CalYG, calculated yield grade.
5%BCTRC, calculated percentage of boneless, closely trimmed retail cuts.