Here is the best Natural Horse Feeding option from Agritura Company. Agritura's Recommended feeding management of horses differs from that of other domestic livestock, primarily because of differences in digestive anatomy and physiology. The digestive anatomy of the horse is classified as a monogastric (simple stomach) animal with extensive post-gastric fermentation of undigested feed residue.

For more details check it here----------Agritura's Horse Feeding