Feed pads are nice, have a that kind of setup behind the barn where we can let cattle in from 3 fields to eat grain, also have a couple fields with them to feed hay on, for the same reasons that Bright Raven stated. About midway through last winter, I realized I was going through hay pretty fast trying to set out enough to last 2-3 days, SkyHighTree suggested I unroll it, and have been doing that ever since. For some of the cattle groups, it puts me to doing it every day, and others about every other day, but it has really saved the hay, and doesn't seem like they are wasting it near as bad. It can get kind of hairy if it's very muddy or snow/ice but I try to stay on the gravel road, at least with one side of the tractor so the hay doesn't get dropped off down it a rutted out track, or in other places without a road on flat part of a ridge, and push the hay roll over the hill.
On a side note that manure and from hay feeding pads makes some fine stuff to spread on hay fields and garden.