Table 7. Twelve-month forage costs for early crested wheatgrass harvested-forage management strategy. | |||||||
![]() | Dry Gestation | Third Trimester | Early Lactation | Lactation | Lactation |
Lactation | |
Season | ![]() | Late Fall | Winter | Early Spring | Spring |
Summer | Early
Late Fall |
Days | ![]() |
32 |
90 |
45 |
31 |
137 |
30 |
Herbage Wt | lb/ac | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
Forage Wt | lb/ac | 1300 | 1300 | 1300 | 1300 | 1300 | 1300 |
Forage DM/AU | lb/d |
24 |
24 |
27 |
30 |
30 |
30 |
Production Cost | $/ac | 26.50 | 26.50 | 26.50 | 26.50 | 26.50 | 26.50 |
Forage DM Cost | $/ton | 40.80 | 40.80 | 40.80 | 40.80 | 40.80
| 40.80 |
Land Area/Mo | ac | 0.24 | 0.30 | 0.43 | 0.40 | 0.40 | 0.40 |
Land Area/PP | ac | 0.26 | 0.89 | 0.65 | 0.41 | 1.82 | 0.40 |
Land Cost/Mo | $/mo | 3.41 | 4.27 | 6.11 | 5.69 | 5.69 | 5.69 |
Land Cost/PP | $/pp | 3.64 | 12.66 | 9.24 | 5.83 | 25.88 | 5.69
|
Forage Cost/D | $/d | 0.21 | 0.26 | 0.38 | 0.35 | 0.35 | 0.35 |
Forage Cost/Mo | $/mo | 6.30 | 7.80 | 11.40 | 10.50 | 10.50 | 10.50 |
Forage Cost/PP | $/pp | 6.72 | 23.40 | 17.10 | 10.85 | 47.95 | 10.50 |
Crude Protein | % | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 | 14.5 |
Crude Protein | lb/ac |
189 |
189 |
189 |
189 |
189 |
189 |
Cost CP | $/lb | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 |
Cow CP/D | lb/d | 1.49
| 1.87 | 2.73 | 2.51 | 2.51 | 2.51 |
Supplementation | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
Roughage/D | lb/d | 13.72 | 11.10 | 8.17 | 12.69 | 12.69 | 12.69 |
CP/D | lb/d | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
Sup. Cost/PP | $/pp | 7.68 | 17.48 | 6.43 | 6.88 | 30.42 | 6.66 |
Total Feed Cost | $/pp | 14.40 | 40.88 | 23.53 | 17.73 | 78.37 | 17.16 |
Cost/D | $/d | 0.45 | 0.45 | 0.52 | 0.57 | 0.57 | 0.57 |