At first glance, cow digestion seems unremarkable: a bit of grass, chewing cud–done. But behind this seemingly simple process lies a highly complex system full of surprises. What happens inside a cow ...

Cows, along with sheep, goats, deer, antelope, bison, buffalo, moose, elk, and reindeer, are all ruminants. These are mammals with four compartments in their digestive system that let them re-chew and ...