Think of it like dogs and wolves…Do you have a dog ih369?
Dogs can live outside, kept in runs or chained up…But they are much healthier and happier as a member of the family living inside and being looked after, and having proper veterinary care.
Dogs, if ‘set free’ in the country will not survive more then a few weeks as they are domestic animals and they don’t have the instincts wolves have right? So they can’t possibly cope with predators, find food and fend for themselves as they are domesticated and have been bred to be pets.
Wolves on the other hand are wild animals, who can and do survive outside in the wild. However, if you were to take a wolf out of the wild, spay/neuter him and look after him properly (ie. looking after his social needs, his excercise needs, his food needs, veterinary needs) then you would most expect him to live a lot longer then he would in the wild. This is because you are looking after him AND he no longer has the threat of disease of predation.
Does that analogy help you out? Think of Wolves as wild bunnies, and dogs as house bunnies. 