Hunting vs. Factory Farm

We have previously talked briefly about hunting. My personal belief is that hunting should only be done for the survival of a human and not solely for the purpose of sport. But, then I read about how we produce our meat that we buy in stores. The conditions under which these animals live before their death, and the methods that kill them are heart wrenching. It seems that these animals suffer more in a produce line then they would if a hunter were to shoot them. The shot from a hunter’s gun would most likely kill the animal instantly with no suffering, whereas many of the animals we eat suffer from the day they are born to moment they die. At least these animals have lived a happy life in their natural habitat before their death. This of course is not always the case. Sometimes if a hunter shoots an animal they will not die instantly and do suffer until that hunter shoots again, but the suffering is still much less. So I often contradict myself on this matter.
If the hunter that is hunting for sport kills the animal and actually eats it and uses it then he has not “wasted.” In Native American culture they would use every single part of the animals they killed, making sure not to waste any of the life they had taken. Under these circumstances I think it might be ok to hunt. However, the unnecessary killing of any animal really upsets me despite this fact.

Do you think it is “morally” better to hunt an animal yourself then it would be to buy it from a store, where the animal has been produced from such a place as a factory farm?