Because all the various breeds of cattle we have got that way through selective breeding (from a wild ancestor), which results in a domesticated animal. None of these breeds exist outside of human society. read more
All animals that have been tamed by human beings, and that have adapted to living and working with humans in homes or on farms, are considered “domesticated. That would mean dogs, cats, cows, camels, llamas, horses, chickens and sheep are domesticated. read more
In English “wild animal” usually means an animal that has never been domesticated, or is the offspring of animals that have never been domesticated (for example, a tamed bear or tiger that is used in a circus). Some animals that were formerly domesticated but have escaped human control are often considered wild animals as well. read more
Archaeozoology has identified three classes of animal domesticates: (1) commensals, adapted to a human niche (e.g., dogs, cats, guinea pigs); (2) prey animals sought for food (e.g., cows, sheep, pig, goats); and (3) targeted animals for draft and nonfood resources (e.g., horse, camel, donkey). read more