Table 6. Forage costs for crested wheatgrass 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
1600
1600
1600
1300
1300
1300
Forage DM/AUlb/d
24
24
27
24
24
27
Production Cost$/ac
28.11
28.11
28.11
26.50
26.50
26.50
Forage DM Cost$/ton
34.80
34.80
34.80
40.80
40.80
40.80
Land Area/Moac
0.44
0.45
0.51
0.24
0.30
0.43
Land Area/PPac
0.47
1.35
0.76
0.26
0.89
0.65
Land Cost/Mo$/mo
6.26
6.40
7.25
3.41
4.27
6.11
Land Cost/PP$/pp
6.68
19.20
10.81
3.64
12.66
9.24
Feed Cost/D$/d
0.41
0.52
0.75
0.21
0.26
0.38
Feed Cost/Mo$/mo
12.30
15.60
22.50
6.30
7.80
11.40
Feed Cost/PP$/pp
13.12
46.80
33.75
6.72
23.40
17.10
Crude Protein%
6.4
6.4
6.4
14.5
14.5
14.5
Crude Proteinlb/ac
102
102
102
189
189
189
Cost CP$/lb
0.28
0.28
0.28
0.14
0.14
0.14
Cow CP/Dlb/d
1.49
1.87
2.73
1.49
1.87
2.73
Supplementation
Roughage/Dlb/d
0.6
13.72
11.10
8.17
CP/Dlb/d
0.33
1.00
Sup. Cost/PP$/pp
0.34
9.02
13.50
7.68
17.48
6.43
Total Feed Cost$/pp
13.46
55.82
47.25
14.40
40.88
23.53
Cost/D$/d
0.42
0.62
1.05
0.45
0.45
0.52