Nothing helpful to add I wish my gelding would drop weight in the winter instead he turns into a fat pig!! Then I spend half the summer riding the tar right out of him so he's back to slim and trim again.
Ok. I'm not being mean, but free access hay. It's honestly the best thing. I understand there may be medical issues that this isn't good for. But in general it's best. Feeding flakes is fine as long as they don't go long between throwing hay. Posted via Mobile Device
It may be good to supplement with a good pelleted feed. We have one horse that gets double rations of senior feed in the winter months and two that we increase maybe 50%. They are free to go in and out 24/7 and get a healthy feeding of grass hay am and pm. Our pasture will not keep weight on in the winter.