There are three basic times that horses need grain; to help bring them in from pasture, to maintain weight and third to help them eat their supplements. When horses are fed a small amount of grain when they come in from pasture they will meet you at the gate. When feeding the type of hay you like and are working your horses daily they usually require some grain. I believe that horses need a supplement every day and a small amount of grain helps the intake of the supplement. Stamina Plus has put in 40 years of research to develop the correct supplements that all horses need daily. I believe that the best grain for horses is Oats, it is all natural, no bi-products, and a great source of highly digestible fat, fiber and protein along with low NSC. A horse should only get the the smallest amount of Oats that is necessary. Over feeding horses leads to Insulin Resistance.