Abstract Background Lactation increases energy demands four- to five-fold. leading to a two- to three-fold increase in food consumption. requiring a proportional adjustment in the ability of the lactating dam to absorb nutrients and to synthesize critical biomolecules. such as cholesterol. https://www.roneverhart.com/2-1-2-x-1-4-x-36-Smooth-Saddle-Threshold-NGP-410-36/