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Demos and Exhibits

Fistulated Cow

Cows--like sheep, goats, deer, and giraffes--are "ruminants." They all have special stomachs to digest their food.
Fistulated cow
A cow's stomach is made up of four compartments: the omasum, abomasum, reticulum, and rumen.

The rumen is the largest compartment and the main place where the cow's food is digested so the nutrients can be taken into the body

To study how cows digest their food, scientists sometimes make an opening into the rumen

"Fistula" is the word for a surgical opening made into the body

By studying fistulated cows, researchers have learned what and how to feed animals so they get all the nutrients they need.

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