Table 16. Twelve-month forage costs for oat-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
5143
5143
5143
5143
5143
5143
Forage DM/AUlb/d
24
24
27
30
30
30
Production Cost$/ac
95.52
95.52
95.52
95.52
95.52
95.52
Forage DM Cost$/ton
37.20
37.20
37.20
37.20
37.20
37.20
Land Area/Moac
0.07
0.09
0.13
0.12
0.12
0.12
Land Area/PPac
0.07
0.26
0.19
0.12
0.53
0.12
Land Cost/Mo$/mo
1.54
1.99
2.87
2.65
2.65
2.65
Land Cost/PP $/pp
1.54
5.74
4.19
2.65
11.70
2.65
Forage Cost/D$/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 $/pp
7.04
25.20
18.45
11.78
52.06
11.40
Crude Protein%
12.5
12.5
12.5
12.5
12.5
12.5
Crude Proteinlb/ac
611
611
611
611
611
611
Cost CP$/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/Dlb/d
12.1
9.0
5.2
9.9
9.9
9.9
CP/Dlb/d
Sup. Cost/PP$/pp
6.78
14.18
4.10
5.37
23.74
5.20
Total Feed Cost$/pp
13.82
39.38
22.55
17.15
75.80
16.60
Cost/D$/d
0.43
0.44
0.50
0.55
0.55
0.55