Table 7. Twelve-month nutrient requirements for 1200-pound range cows with calf birth dates in February.
Dry Gestation
3rd Trimester
Early Lactation

Lactation


Ration

Pasture

Ration

Pasture

Ration

Pasture

Ration
Spring
Pasture
Summer
Pasture
Fall
Pasture
Days90324531137

30

Daily Requirements in Pounds
Dry Matter242727
Energy (TDN)12.6215.8515.23
Crude Protein1.872.732.51
Calcium0.060.080.07
Phosphorus0.040.050.05
Production Period Requirements in Pounds
Dry Matter216086412158373699

810

Energy (TDN)1135.80507.20685.35472.132086.51456.90
Crude Protein168.3087.36112.9577.81343.8775.30
Calcium5.402.563.152.179.592.10
Phosphorus3.601.602.251.556.851.50
12-Month Requirements in Pounds

Totals for
Rations

Totals for
Pastures

Totals for
12 Months

Dry Matter423953469585
Energy (TDN)2328.353015.545343.89
Crude Protein368.61496.98865.59
Calcium11.1113.8624.97
Phosphorus7.459.9017.35