| Table 15. Forage costs of perennial grass hays to be fed to range cows during the 137-day summer portion of the lactation production period. | |||
 | | Crested Wheatgrass Hay | Crested Wheatgrass Hay |
| Growth Stage | | Mature | Boot stage |
| Herbage Weight | lb/ac |
- |
- |
| Forage DM Weight | lb/ac | 1600 |
1300 |
| Costs/Acre | | | |
| Land
Rent | $ | 14.22 | 14.22 |
| Custom
Work | $ | 5.31 | 5.31 |
| Seed
Cost | $ |
- |
- |
| Baling
Costs | $ | 8.58 | 6.97 |
| Production Costs | $/ac | 28.11 | 26.50 |
| Forage DM Costs | $/ton | 34.80 | 40.80
|
| Land Area /Month | ac | 0.56 | 0.40 |
| Land Area/Period | ac | 2.57 | 1.82 |
| Land Cost/Period | $/pp | 36.55 | 25.88 |
| Forage Costs/Day | $/d | 0.70 | 0.35 |
| Forage Costs/Period | $/pp | 95.90 | 47.95 |
| Crude Protein | % | 6.4 | 14.5 |
| Crude Protein Yield | lb/ac | 102 | 189 |
| Crude Protein Cost | $/lb | 0.28 | 0.14 |
| Supplementation | | | |
|
Roughage/Day | lb/d | | 12.69 |
| Crude
Protein/Day | lb/d | 0.78 | |
| Sup. Cost/Period | $/pp | 32.14 | 30.42 |
| Total Feed Cost | $/pp | 128.04 | 78.37 |
| Cost/Day | $/d | 0.93 | 0.57 |