Goats milk for human use has been pasteurized and tested to insure that it doesn't have any harmful bacteria in it.
Many humans raise goats for their meat as well as their milk. So if you want to consider that humans predating on goats, then yes.
No. Female humans do not have the capacity to produce that much milk. Humans are not cows.
That question is your opinion. In real life, people hated goats milk, but when blind folded and asked to choose between cows milk and goats milk, they chose goats milk as the better choice.
Yes we use them for milk and we can make cheese out of the milk. Goats are also produced for their meat and fibre (Angoras and cashmere goats). Some goats are used to pull small carts and carry equipment - packgoats.
Not on store bought milk, but you can use milk replacer, and non pasteurized cow milk. For more info on goats go to http://fiascofarm.com/goats/
Steadier supply of meat and milk, with the added labor of having to herd a bunch of goats.
All mammals produce milk for their babies. Some adult humans take the milk from other species, usually docile species that are relatively easy to confine and manipulate, such as cows, goats, and sheep.
Goats milk comes from goats.
whole grains, fish, mushrooms, and milk from humans, cows and goats.
It should make no difference the sex of the milker as long as you are firm and gentle with handmilking. With machine milking there should be no difference.
Soap made from goats milk.
There are plenty of other animals with horns and milk. But goats and sheep are the ones mainly used by humans.