Table 3.
Least squares means for Warner–Bratzler shear force (WBSF) of the longissimus lumborum, chuck, and round beef muscles from 3 USDA quality grades
| Treatment | WBSF (kgf) |
|---|---|
| Quality grade | |
| Prime | 2.27b |
| Choice | 2.51a |
| Select | 2.63a |
| SEM1 | 0.05 |
| P value | <0.01 |
| Muscle | |
| Longissimus lumborum | 1.99d |
| Infraspinatus | 2.16d |
| Longissimus thoracis, Complexus, and Spinalis dorsi | 1.76e |
| Serratus ventralis | 2.04d |
| Triceps brachii | 2.69c |
| Adductor | 2.54c |
| Biceps femoris | 3.00b |
| Semimembranosus | 3.57a |
| SEM1 | 0.16 |
| P value | <0.01 |
| Quality grade × muscle | |
| P value | 0.95 |
1SE (largest) of the least squares means.
abcdeLeast squares means in the same main effect (quality grade or muscle) without a common superscript differ (P < 0.05).