| Table 12. Twelve-month forage costs for the early cut pea 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 | 2800 | 2800 | 2800 | 2800 | 2800 | 2800 |
| Forage DM/AU | lb/d |
24 |
24 |
27 |
30 |
30 |
30 |
| Production Cost | $/ac | 79.96 | 79.96 | 79.96 | 79.96 | 79.96 | 79.96 |
| Forage DM Cost | $/ton | 55.00 | 55.00 | 55.00 | 55.00 | 55.00 | 55.00 |
| Land Area/Mo | ac | 0.08 | 0.11 | 0.15 | 0.14 | 0.14 | 0.14 |
| Land Area/PP | ac | 0.09 | 0.32 | 0.23 | 0.15 | 0.65 | 0.14 |
| Land Cost/Mo | $/mo | 1.77 | 2.43 | 3.31 | 3.09 | 3.09 | 3.09 |
| Land Cost/PP | $/pp | 1.99 | 7.09 | 5.08 | 3.31 | 14.35 | 3.09 |
| Forage Cost/D | $/d | 0.22 | 0.28 | 0.41 | 0.38 | 0.38 | 0.38 |
| Forage Cost/Mo | $/mo | 6.60 | 8.40 | 12.30 | 11.40 | 11.40 | 11.40 |
| Forage Cost/PP | $/pp | 7.04 | 25.20 | 18.45 | 11.78 | 52.06 | 11.40 |
| Crude Protein | % | 18.9 | 18.9 | 18.9 | 18.9 | 18.9 | 18.9 |
| Crude Protein | lb/ac |
526 |
526 |
526 | 526 | 526 |
526 |
| Cost CP | $/lb | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
| Cow CP/D | lb/d | 1.49 | 1.87 | 2.73 | 2.51 | 2.51 | 2.51 |
| Supplementation | |||||||
| Roughage/D | lb/d | 16.1 | 14.1 | 12.6 | 16.7 | 16.7 | 16.7 |
| CP/D | lb/d | ||||||
| Sup. Cost/PP | $/pp | 9.02 | 22.21 | 9.92 | 9.06 | 40.04 | 8.79 |
| Total Feed Cost | $/pp | 16.06 | 47.41 | 28.37 | 20.84 | 92.10 | 20.19 |
| Cost/D | $/d | 0.50 | 0.53 | 0.63 | 0.67 | 0.67 | 0.67 |