Question

What is rumen in grass-eating animals?

Answer 1

Grass eating animals are known as ruminants. Animals like cows, goats and buffaloes eat grass. These animals swallow grass quickly and store it in a sac – like structure called rumen. The process where cud returns to the mouth in small lumps for ruminants to chew is called rumination

Answer 2

The rumen (on the left side of the animal) is the largest stomach compartment and consists of several sacs. It can hold 25 gallons or more of material depending on the size of the cow. Because of its size, the rumen acts as a storage or holding vat for feed. Aside from storage, the rumen is also a fermentation vat.