Table 5. Twelve-month pasture and forage costs for the 4.5-month twice-over rotation 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
4960
1794
2590
Forage Wt lb/ac
4733
4733
4733
1240
449
648
Forage DM/AUlb/d
24
24
27
30
30
30
Production Cost$/ac
68.21
68.21
68.21
21.26
8.76
8.76
Forage DM Cost $/ton
28.80
28.80
28.80
34.29
39.02
27.04
Land Area/Moac
0.07
0.09
0.13
0.73
2.04
1.39
Land Area/PPac
0.07
0.27
0.20
0.75
9.00
1.39
Land Cost/Mo$/mo
1.54
1.99
2.87
15.52
17.87
12.18
Land Cost/PP $/pp
1.54
5.96
4.41
15.95
78.84
12.18
Forage Cost/D$/d
0.16
0.21
0.30
0.51
0.58
0.40
Forage Cost/Mo$/mo
4.80
6.30
9.00
15.30
17.40
12.00
Forage Cost/PP $/pp
5.12
18.90
13.50
15.95
78.84
12.00
Crude Protein%
13.0
13.0
13.0
Crude Proteinlb/ac
606
606
606
Cost CP$/lb
0.11
0.11
0.11
Cow CP/D lb/d
1.49
1.87
2.73
2.51
2.51
2.51
Supplementation
Roughage/Dlb/d
12.5
9.6
6.0
-
-
-
CP/Dlb/d
Sup. Cost/PP$/pp
7.00
14.96
4.73
Total Feed Cost$/pp
12.12
33.86
18.23
15.95
78.84
12.00
Cost/D$/d
0.38
0.38
0.41
0.51
0.58
0.40