Horse Digestive Tract

It takes one and a half to three days for food to pass through a horse. Avoid sudden change of diet. Too much grain produces lactic acid in hind gut which kills off beneficial bacteria and releases toxins causing colic or laminitis.

Mouth - saliva mixed with food

Pharynx - opening of esophagus

Esophagus - tube down neck

Stomach - 2 to 4 gallons

Small Intestine - 70 feet long - protein digestion - starch to sugar - fats

Liver - creates proteins and nutrients

Cecum - 4 feet long - right side - bacteria break down cellulose

Large Colon - 12 feet long - food stays almost 2 days - breaks down fibers - site of gas problems

Small Colon - 10 feet long - moisture absorbed



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