All grains contain starch. The majority of grain-based foods in your diet should come from whole grains, however. Aside from starch, these foods are full of other nutrients like B vitamins, iron, magnesium and fiber.ifferent Kinds of Vegetables. All veggies contain a little starch, but some are classified as nonstarchy. These vegetables, including lettuce, peppers, asparagus, onions, eggplant and artichokes, are very low in starch.
The natural diet of the horse is grass. Grass contains most of the nutrition a horse requires to be healthy. It also contains silica, which is important for dental health. Primitive horses can live on sparse rations and often have to make do with less than ideal pasture and living conditions.
A horse should eat one to two percent of his body weight in roughage every day. Horses who spend much of their time in stalls arenât doing much grazing, but their natural feeding patterns can be replicated by keeping hay in front of them for most of the day. Two major factors for deciding how much your horse needs to eat are her size and the amount of work she does. 2  Consider the amount of hay or pasture your horse gets: Horses who are grazing on good pasture the majority of the day donât need much hay, if any.