Same as if you only quarter it, you need to leave evidence of sex naturally attached to one piece of meat in CO. Sex organs, or for a cow part of the udder attached to a large chunk of the hind quarter.
Saves a ton of weight if you're packing meat on your back. The only drawback is, you can get some tough meat if you trim it off the bone before rigor mortis sets in. It's best to leave it in quarters at least overnight, and bone it out right before you put it in the pack.
