It's likely they figured it out long before they found they could domesticate cows.
No
They were both discovered around the same time when hunters and gatherers were around, but people did not know they could eat an onion until after they had figured out they could eat tomatoes
Yes. People eat cow's liver.
NEVER eat a diseased cow, unless you know for certainthat the disease that the cow has will not affect the meat and ultimately you. But if you don't know, don't eat it, otherwise you could get very sick and die.
It depends on the cow. You can try to test it but it might hurt some of the cows.
This is a traditional dish that developed from the necessity to eat every part of the cow. However, in most developed countries people generally don't eat the brains of cows due to concerns over mad cow disease.
No. Baboons don't eat meat, they're herbivores, not carnivores.
You've got to be kidding? How could a little ferret ever injure or eat a cow? Maybe cooked cow would be eaten by a ferret, sometimes I share my hamburger with him!
Why do you eat hamburgers
beause they like the taste
they really wanted to eat poo from the back end of a cow
This saying is a Hyperbole or exaggeration of how hungry you are, you are so hungry you could a whole cow, but physically that would be impossible.