Table 6.
Implant Treatments 1 | p Values of Contrasts 2 | |||||||
---|---|---|---|---|---|---|---|---|
CON | E2 | TBA | ETBA | SEM | E2 vs. CON | TBA vs. CON | ETBA vs. CON | |
Steers (n) | 13 | 11 | 12 | 11 | ||||
Dressing Percentage | 60.1 | 59.3 | 60.4 | 60.2 | 0.46 | 0.21 | 0.61 | 0.86 |
Hot Carcass Weight (kg) | 317 | 311 | 330 | 343 | 7.41 | 0.57 | 0.16 | 0.008 |
Marbling Score 3 | 486 | 468 | 483 | 423 | 36 | 0.71 | 0.94 | 0.16 |
Ribeye Area (cm2) | 70.71 | 72.65 | 78.06 | 74.06 | 2.13 | 0.51 | 0.006 | 0.22 |
12th Rib Fat Thickness (mm) | 7.67 | 7.65 | 7.49 | 7.85 | 0.23 | 0.91 | 0.41 | 0.59 |
Cold Camera Yield Grade | 2.99 | 2.91 | 2.65 | 3.08 | 0.16 | 0.67 | 0.06 | 0.67 |
1 Implant treatments administered on day 0 include: no implant (CON), Compudose (E2; 25.7 mg estradiol), Finaplix-H (TBA; 200 mg trenbolone acetate), and Revalor-S (ETBA; 120 mg trenbolone acetate + 24 mg estradiol). 2 Contrast statements were formed to test differences between E2, TBA, and ETBA vs. CON treatment. 3 300 to 399 = slight, 400 to 499 = small, 500 to 599 = modest.