Probably since the time when adam and eve were expelled from the garden they have been eating cows so roughly 6-8 thousand years
Food Production
Cows are wonderful animals. They are on Earth to live, they are used as sources of food or money, to help with farming, and sometimes even as pets.
Cows actually do not make food. Humans are responsible for that sector of the economy.
The same type of food that all other cows eat.
Cows can get food on their own when they are out on pasture. The act to which they are able to do so is called "grazing."
the probing of cows
Cows make milk from eating grass.
Cows and dogs have different feedstuff requirements, thus there is no one food that contains vitamins (or any other nutrient) for both cows and dogs.
No.
the cows digestion takes 8 hours to digest the food or cud
No. Cows don't have the dexterous hands like humans do nor the taste for cooked food. Besides, they have been so used to eating grains and grass raw for so long that they don't know any other way to eat it.
Digesting food.