several generations
the dog.
The goose was the first domesticated animal.
Ferrets are domesticated animals originally used in hunting and now increasingly kept as pets. They have probably been domesticated for around 2,500 years. Of course, the animal from which they were domesticated (as yet not identified with certainty) was living in the wild for a long time before that, probably for millions of years.
it depends on what type of animal it is, and in what manner it is domesticated. A cow is a domesticated farm animal... but so is a horse, or a bull, or a pet dog named Sparky.
Some deer are domesticated and some are wild.
The first animal to be domesticated is the dog
Yes. Dogs and humans have been companions since before modern humans evolved, so it's arguable who domesticated who.
Horses were domesticated long before the concept of genetic engineering was even selective breeding.
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Domesticated or tame
Yes, I have seen domesticated Wildebeest in South Africa before and also on TV. However it would be a good idea to hand raise it obviously and make sure you disable those sharp horns somehow as a domesticated animal can still turn aggressive.
animals who cultivate for food