That all depends on the breed of cow that village has.
First the cow must give birth and be beyond the mother's milk stage.
That all depends on the breed of the cow, what you feed it, and if you give it hormones or not. Massachusetts avreage is 53 lbs. of milk per cow per day from 2008-2009.
It depends on the breed of cow in question. A Holstein (dairy) cow will give more milk than a buffalo, but a Charolais (beef) cow will give less milk than a buffalo does. An Angus cow may give as much or slightly more milk than a buffalo cow will.
That all depends on the breed.
No, don't give them cow's milk.
No.
Meat and milk.
none none at all
they give milk
yes!
evaporated milk