What to do to keep a horse from eating straw?

Horses eat straw to keep busy, typically from a lack of needed chewing time. The best thing to do is make sure the horse has hay available at all times. This can be done by hanging a couple of slow feed hay nets in the stall or using a slow feeder from the ground. You can also place a grazing muzzle on the horse to limit the amount of straw it is eating in the stall, but the horse must be watched carefully if a muzzle is used.