Table A2.
Description of diets ingredient and nutrient composition, animal growth and feed intake by feeder category averaged over two years.
| Feeder Category | Animal used | Days on feed | Diet Ingredient Composition (DM basis) | TDN, % | CP, % | Mid-Wt, kg | ADG, kg d−1 | DMI, kg d−1 |
|---|---|---|---|---|---|---|---|---|
| Calf-fed, not implanted | ||||||||
| Weaning to step-up | 56 | 13.5 | 83.34%BS:16.66%GS | 59.92 | 13.01 | 263.1 | 0.79 | 4.14 |
| Step-up | 56 | 34.5 | 18.19%BS:49.85%BG:24.90%GS:7.05%Ps | 69.20 | 13.54 | 286.4 | 1.13 | 6.97 |
| Feedlot finishing, Progeny test | 56 | 83.0 | 10.38%BS:70.88%BG:9.34%GS:9.30%Ps | 74.22 | 12.84 | 369.0 | 1.50 | 8.02 |
| Feedlot finishing | 56 | 76.0 | 18.87%BS:71.62%BG:9.51%Ps | 75.06 | 14.78 | 484.1 | 1.45 | 8.55 |
| Calf-fed, implanted | ||||||||
| Weaning to step-up | 56 | 13.5 | 83.34%BS:16.66%GS | 59.92 | 13.01 | 262.9 | 0.61 | 4.14 |
| Step-up | 56 | 34.5 | 18.19%BS:49.85%BG:24.90%GS:7.05%Ps | 69.20 | 13.54 | 288.8 | 1.31 | 7.07 |
| Feedlot finishing, Progeny test | 56 | 83.0 | 10.38%BS:70.88%BG:9.34%GS:9.30%Ps | 74.22 | 12.84 | 385.4 | 1.75 | 8.52 |
| Feedlot finishing | 56 | 76.0 | 18.87%BS:71.62%BG:9.51%Ps | 75.06 | 14.78 | 519.1 | 1.67 | 9.04 |
| Yearling-fed, not implanted | ||||||||
| Weaning to fall pasture | 56 | 13.5 | 83.34%BS:16.66%GS | 59.92 | 13.01 | 261.7 | 0.71 | 4.52 |
| Fall pasture | 56 | 41.5 | 100% MBA | 55.82 | 7.95 | 267.9 | 0.18 | 3.65 |
| Winter backgrounding | 56 | 191.0 | 66.27%BS:20.55%GS:5.18%BG:2.73%OG:5.27%St | 61.76 | 12.28 | 358.8 | 0.92 | 7.80 |
| Summer pasture | 56 | 66.0 | 100% MBA | 59.39 | 12.31 | 463.8 | 0.50 | 14.83 |
| Step-up | 56 | 22.0 | 33.96%BS:60.24%BG:5.80%Protein sup. | 71.32 | 13.42 | 502.1 | 1.90 | 9.83 |
| Feedlot finishing, Progeny test | 56 | 76.5 | 16.37%BS:77.81%BG:5.82%Protein sup. | 74.57 | 12.66 | 588.3 | 1.71 | 12.50 |
| Feedlot finishing | 56 | 47.5 | 19.54%BS:74.72%BG:5.74%Protein sup. | 73.40 | 12.86 | 674.0 | 0.90 | 11.74 |
| Yearling-fed, implanted | ||||||||
| Weaning to fall pasture | 56 | 13.5 | 83.34%BS:16.66%GS | 59.92 | 13.01 | 264.3 | 1.02 | 4.52 |
| Fall pasture | 56 | 41.5 | 100% MBA | 55.82 | 7.95 | 270.3 | 0.13 | 3.65 |
| Winter backgrounding | 56 | 191.0 | 66.27%BS:20.55%GS:5.18%BG:2.73%OG:5.27%St | 61.76 | 12.28 | 366.0 | 0.99 | 8.25 |
| Summer pasture | 56 | 66.0 | 100% MBA | 59.39 | 12.31 | 479.7 | 0.55 | 13.64 |
| Step-up | 56 | 22.0 | 33.96%BS:60.24%BG:5.80%Protein sup. | 71.32 | 13.42 | 524.4 | 2.33 | 10.60 |
| Feedlot finishing, Progeny test | 56 | 76.5 | 16.37%BS:77.81%BG:5.82%Protein sup. | 74.57 | 12.66 | 626.1 | 2.00 | 14.10 |
| Feedlot finishing | 56 | 47.5 | 19.54%BS:74.72%BG:5.74%Protein sup. | 73.40 | 12.86 | 727.7 | 1.11 | 12.48 |
Abbreviations are: MBA = meadow brome alfalfa; BS = barley silage; GS = MBA grass silage; BG = barley grain; OG = oat grain; H = MBA hay; St = barley straw; Ps = protein supplement.