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 ...

A “DA” is a displaced abomasum, which is the fourth stomach compartment in a cow. This cow, who had recently calved, had gotten her stomach twisted, an uncomfortable yet common condition for dairy ...