| Table 6. Forage costs for crested wheatgrass harvested-forage treatments. | |||||||
| Early Cut | Late Cut | ||||||
| Dry Gestation | Third Trimester | Early Lactation | Dry Gestation | Third Trimester | Early Lactation | ||
| Season | Late Fall | Winter | Early Spring | Late Fall | Winter | Early Spring | |
| Days |
32 |
90 |
45 |
32 |
90 |
45 | |
| Herbage Wt | lb/ac | ||||||
| Forage Wt | lb/ac |
1600 |
1600 | 1600 | 1300 | 1300 | 1300 |
| Forage DM/AU | lb/d |
24 |
24 |
27 |
24 |
24 |
27 |
| Production Cost | $/ac | 28.11 | 28.11 | 28.11 | 26.50 | 26.50 | 26.50 |
| Forage DM Cost | $/ton | 34.80 | 34.80 | 34.80 | 40.80 | 40.80 | 40.80 |
| Land Area/Mo | ac | 0.44 | 0.45 | 0.51 | 0.24 | 0.30 | 0.43 |
| Land Area/PP | ac | 0.47 | 1.35 | 0.76 | 0.26 | 0.89 | 0.65 |
| Land Cost/Mo | $/mo | 6.26 | 6.40 | 7.25 | 3.41 | 4.27 | 6.11 |
| Land Cost/PP | $/pp | 6.68 | 19.20 | 10.81 | 3.64 | 12.66 | 9.24 |
| Feed Cost/D | $/d | 0.41 | 0.52
| 0.75 | 0.21 | 0.26 | 0.38 |
| Feed Cost/Mo | $/mo | 12.30 | 15.60 | 22.50 | 6.30 | 7.80 | 11.40 |
| Feed Cost/PP | $/pp | 13.12 | 46.80 | 33.75 | 6.72 | 23.40 | 17.10 |
| Crude Protein | % | 6.4 | 6.4 | 6.4 | 14.5 | 14.5 | 14.5 |
| Crude Protein | lb/ac |
102 |
102 |
102 |
189 |
189 |
189 |
| Cost CP | $/lb | 0.28 | 0.28 | 0.28 | 0.14 | 0.14 | 0.14 |
| Cow CP/D | lb/d | 1.49 | 1.87 | 2.73 | 1.49 | 1.87 | 2.73 |
| Supplementation | |||||||
| Roughage/D | lb/d | 0.6 | 13.72 | 11.10 | 8.17 | ||
| CP/D | lb/d | 0.33 | 1.00 | ||||
| Sup. Cost/PP | $/pp | 0.34 | 9.02 | 13.50 | 7.68 | 17.48 | 6.43 |
| Total Feed Cost | $/pp | 13.46 | 55.82 | 47.25 | 14.40 | 40.88 | 23.53 |
| Cost/D | $/d | 0.42 | 0.62 | 1.05 | 0.45 | 0.45 | 0.52 |