A simple test you can run.
Hey k77/22rp, I agree completely with most meat getting ruined because it just isn't cleaned "quickly".
In looking through the above posts, they all contain good information. When we kill anything, the goal is to get the outside off and the inside out, as quickly as we can. We try our best to get a Deer hung on the gambrel within 30 minutes of the shot and quicker if at all possible. Then, the actual skinning and gutting doesn't take long at all, maybe 15-20 minutes if everything (knives, gut bucket, chest saw, hose) is pre-lined up and ready to use.
If you are hunting where you can't get the Deer hung quickly, then get the guts out and fill the chest cavity with bags of ice.
As has been said, once the blood stops flowing, there is nothing going on inside the meat to hold the temperature down. So, the meat temperature starts rising immediately and that can ruin it.
By the way, you can do a pre-hunt test since all meat will ruin if not handled properly. Just go to the store and have a butcher cut a fresh piece of Beef for you. Stick an oven thermometer in it and warm it in the oven just until it hits about 120-140deg. (That gets the meat to a temp condition similar to what it will reach after it is shot with the hide still on.) Put it between two styrofoam meat trays and toss it out onto the yard in the sun and let it set as long as you plan to let the Deer set. Or on the hood of the car if that is the plan. Then when you think you would normally be cleaning the Deer, go pick it up, wash the meat off real good, cook it and enjoy it. (If you leave it in the yard too long, be near a toilet and a phone that responds to 911 type calls.)
If you believe "Gut Shooting" is OK, be sure to wipe the above piece of meat with some Dog or Cat prizes from out in the yard prior to tossing it into the sun. And take a stick and poke the prizes "into" the meat. This will simulate the bullet passing through the Guts and impaling the good meat with stuff I prefer to say Clinton is full of.
A simple test like that will show anyone just how important it is to get the meat cleaned quickly and not to "Gut Shoot" the Game.
Good hunting and clean 1-shot kills, Hot Core