At my former barn my horse had access to round bales all day, every day, and he eats himself to death. I recently switched to a nicer place, that is very willing to customize diets, so during the winter when round bales are used I have my horse in a dry lot. I know that horses are grazing animals, but I also know that in the wild they ran around a lot more and needed more fuel. But today, a woman told me that because horses have such large stomachs and so much bile if they don't get to eat at least every 4 hours they can get sick. Is this true? Should I put my horse back into a pasture with a round bale and hope he doesn't eat too much? I wouldn't really care that he ate a lot, but I am in school so I can't just up how much I work him to burn the extra calories. Any input is appreciated!