They give milk, yes, but they have to have been mated. They have to have had at least one kid to give milk to before they start producing milk. But if their udder is bulging they may have pre-milk, which is to prepare them.
No, billy goats are males and cannot give milk.
Yes
nanny goat
Yes, goats produce milk, as all mammals do.
Actually they are not called Nanny goats the correct term for them is "Doe" or "Doeling" if they had not had a kid yet.
lady goats are called nanny goats
If you are referring to milk giving goats i would not recommend eating them. It does depend on what they themselves eat as far as if they are eating wild onions or a variety of grain feed.
Nanny goats are female.
Generally only female goats produce milk. However, on very rare occasions male goats may begin producing milk.
Avoid giving it cows milk, and give it goats milk instead.
Yes
Goats milk comes from goats.
I like Nubian goats for milk, my Nubians give a gallon a day
Soap made from goats milk.