Maintenance requirements
Dairy Heifers
= SBW
0.75
x
0.086, Mcal/d
Dairy
Cows
= SBW
0.75
x
0.080, Mcal/d
Beef
= SBW
0.75
x
0.077, Mcal/d
Include basal metabolism + 10% for physical
activity
Fox et al. (2004)