| Table 10. Pasture-forage costs of native rangeland and domesticated grass pastures to be grazed by range cows during the 31-day spring portion of the lactation production period. | ||||||
| Native Rangeland (12-m RS) | Native Rangeland (6.0-m SL) | Crested Wheatgrass Unfertilized (4.5-m SL) | Crested
Wheatgrass Unfertilized (4.0-m Def) | Crested Wheatgrass Fertilized (4.5-m TOR) | ||
| Days | 31 | 16 | 31 | 76 | 31 | |
| Growth Stage | spring | spring | spring | spring | spring | |
| Herbage Weight | lb/ac | 780 | 906 | 1980 | 2192 | 4960 |
| Forage DM Weight | lb/ac | 195 | 226 | 495 | 548 | 1240 |
| Costs/Acre | ||||||
| $ | 8.76 | 8.76 | 8.76 | 8.76 | 8.76 | |
| $ | 12.50 | |||||
| $ | ||||||
| $ | ||||||
| Production Costs | $/ac | 8.76 | 8.76 | 8.76 | 8.76 | 21.26 |
| Forage DM Costs | $/ton | 89.85 | 77.52 | 35.39 | 31.97 | 34.29 |
| Land Area/Month | ac | 4.62 | 4.04 | 1.82 | 1.67 | 0.73 |
| Land Area/Period | ac | 4.77 | 2.10
| 1.88 | 4.16 | 0.75 |
| Land Cost/Period | $/pp | 41.79 | 18.40 | 16.47 | 36.44 | 15.95 |
| Forage Costs/Day | $/d | 1.35 | 1.15 | 0.52 | 0.48 | 0.51 |
| Forage Costs/Period | $/pp | 41.85 | 18.40 | 16.47 | 36.44 | 15.95 |
| Crude Protein | % | 16.3 | ||||
| Crude Protein Yield | lb/ac | 31.79 | ||||
| Crude Protein Cost | $/lb | 0.28 | ||||
| Supplementation | ||||||
| lb/d | ||||||
| lb/d | ||||||
| Sup. Cost/Period | $/pp | |||||
| Total Feed Cost | $/pp | 41.85 | 18.40 | 16.47 | 36.44 | 15.95 |
| Cost/Day | $/d | 1.35 | 1.15 | 0.52 | 0.48 | 0.51 |