Table 13. Twelve-month forage costs for the late-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
4650
4650
4650
4650
4650
4650
Forage DM/AUlb/d
24
24
27
30
30
30
Production Cost$/ac
86.87
86.87
86.87
86.87
86.87
86.87
Forage DM Cost$/ton
37.40
37.40
37.40
37.40
37.40
37.40
Land Area/Moac
0.07
0.08
0.12
0.11
0.11
0.11
Land Area/PPac
0.07
0.25
0.18
0.12
0.51
0.11
Land Cost/Mo$/mo
1.54
1.77
2.65
2.43
2.43
2.43
Land Cost/PP $/pp
1.54
5.52
3.97
2.65
11.26
2.43
Forage Cost/D$/d
0.19
0.24
0.35
0.33
0.33
0.33
Forage Cost/Mo$/mo
5.70
7.50
10.50
9.90
9.90
9.90
Forage Cost/PP $/pp
6.08
21.60
15.75
10.23
45.21
9.90
Crude Protein%
14.4
14.4
14.4
14.4
14.4
14.4
Crude Proteinlb/ac
685
685
685
685
685

685

Cost CP$/lb
0.13
0.13
0.13
0.13
0.13
0.13
Cow CP/D

lb/d
1.49
1.87
2.73
2.51
2.51
2.51
Supplementation
Roughage/Dlb/d
13.7
11.0
8.0
12.6
12.6
12.6
CP/Dlb/d
Sup. Cost/PP$/pp
7.67
17.33
6.30
6.84
30.21
6.62
Total Feed Cost$/pp
13.75
38.93
22.05
17.07
75.42
16.52
Cost/D$/d
0.43
0.43
0.49
0.55
0.55
0.55