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Digestive Tract of Horse
Stomach - relatively small providing 8% of the gastrointestinal tract. Primary product of digestion is lactic acid.
Esophagus - is 50 to 60 inches long in a mature horse. Because of the tonus of the muscle of the lower esophagus. Vomiting is rare.
Small Intestine - it provides 30% of the capacity of the gastrointestinal tract. Carbohydrates, protein, fats and some vitamins and minerals are absorbed from the small intestines.
Colon - greatest capacity of any segment of the horse's digestive system at 40 to 50%. Water is mainly absorbed in this area.
For more information on the digestive tract of the horse see: