Do early weaning the right way

[...]if forage is limited, weaning will reduce cow dry matter intake from 2.5% to 1.8% to 2.0% of her body weight. The grains — whole shelled corn, oats and soybean meal — may not vary drastically, so you might get away without evaluating those feedstuffs. [...]expressing protein requirements as crude protein (CP) is no longer adequate as we have learned more about how the rumen functions.