Table 1. Forage costs for the forage barley harvested-forage treatments.
Early CutLate Cut
Dry
Gestation
Third
Trimester
Early
Lactation
Dry
Gestation
Third
Trimester
Early
Lactation
SeasonLate
Fall
WinterEarly
Spring
Late
Fall
WinterEarly
Spring
Days
32
90
45
32
90
45
Herbage Wt lb/ac
Forage Wt lb/ac
4733
4733
4733
5133
5133
5133
Forage DM/AUlb/d
24
24
27
24
24
27
Production Cost$/ac
68.21
68.21
68.21
70.35
70.35
70.35
Forage DM Cost$/ton
28.80
28.80
28.80
27.40
27.40
27.40
Land Area/Moac
0.07
0.09
0.13
0.09
0.12
0.16
Land Area/PPac
0.07
0.27
0.20
0.10
0.36
0.24
Land Cost/Mo$/mo
1.54
1.99
2.87
1.99
2.65
3.53
Land Cost/PP$/pp
1.54
5.96
4.41
2.21
7.95
5.30
Feed Cost/D$/d
0.16
0.21
0.30
0.22
0.29
0.41
Feed Cost/Mo$/mo
4.80
6.30
9.00
6.60
8.70
12.30
Feed Cost/PP$/pp
5.12
18.90
13.50
7.04
26.10
18.45
Crude Protein%
13.0
13.0
13.0
9.2
9.2
9.2
Crude Proteinlb/ac
606
606
606
468
468
468
Cost CP$/lb
0.11
0.11
0.11
0.15
0.15
0.15
Cow CP/Dlb/d
1.49
1.87
2.73
1.49
1.87
2.73
Supplementation
Roughage/D lb/d
12.5
9.6
6.0
7.8
3.7
CP/Dlb/d
0.25
Sup. Cost/PP$/pp
7.00
14.96
4.73
4.37
5.83
3.38
Total Feed Cost$/pp
12.12
33.86
18.23
11.41
31.93
21.83
Cost/D$/d
0.38
0.38
0.41
0.36
0.35
0.49