Because cows aren't machines. Their stomachs don't act as some robotic machine that produces pellets, it's living tissue that uses water and microbes and other organic compounds to digest feed, and regurgitate it up as cud to be rechewed and swallowed again.
Ruminate.
I think I'd like to ruminate on those thoughts for a few days before I share my conclusions with you. A cow can ruminate all day.
The cow could not ruminate her diet. She would starve.
He went in his room to Ruminate. You must ruminate deeply before acting.
ruminate -- to ponder on, think about, something. Some people act quickly on advice others ruminate for days. ruminate -- to chew the cud. After eating grass, cows often lie down and ruminate.
Different for different animals, sometimes droppings, sometimes pellets, sometimes scat, etc.
She could only ruminate about why her boyfriend broke up with her.To ruminate is to continually think about a problem. Don't ruminate over your troubles!
Cattle, sheep, goats, and deer are animals that ruminate in order to fully digest feedstuffs.
Mary decided to ruminate over what to do with her spare cash, instead of spending it impulsively.
I'd rather go for a jog than sit and ruminate about a bad day.
illuminate
it's when cows eat food, digest it partially, the food comes back >and they chew it again< -- > to ruminate