Table 14. Twelve-month nutrient requirements for 1400-pound range cows with calf birth dates in April.
Dry Gestation
3rd Trimester
Early Lactation

Lactation


Ration

Pasture

Ration

Pasture

Ration

Pasture

Ration
Spring
Pasture
Summer
Pasture
Fall
Pasture
Days6290151516137

30

Daily Requirements in Pounds
Dry Matter
27
27
30
30
Energy (TDN)
12.42
14.28
17.40
16.71
Crude Protein
1.67
2.13
2.94
2.70
Calcium
0.04
0.07
0.08
0.08
Phosphorus
0.03
0.05
0.06
0.05
Production Period Requirements in Pounds
Dry Matter

1674

2430
450
450
480
4110

900

Energy (TDN)
770.04
1285.20
261.00
261.00
267.36
2289.27
501.30
Crude Protein
103.54
191.70
44.10
44.10
43.20
369.90
81.00
Calcium
2.48
6.30
1.20
1.20
1.28
10.96
2.40
Phosphorus
1.86
4.50
0.90
0.90
0.80
6.85
1.50
12-Month Requirements in Pounds

Totals for
Rations

Totals for
Pastures

Totals for
12 Months

Dry Matter4554594010494
Energy (TDN)2316.243318.935635.17
Crude Protein339.34538.20877.54
Calcium9.9815.8425.84
Phosphorus7.2610.0517.31