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.
Can Horses Eat Grapes? Yes, horses can eat grapes! Whilst there is evidence to suggest that grapes are toxic to dogs there is no problem in feeding grapes to horses. In fact, grapes make an excellent treat to carry around with you when riding, brushing or spending time with your horse due to their small size.