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SS, Deer doesn't have fat like a pig so you would have to baste the hell out of it so it wouldn't dry out. The fat a deer has would have to be removed as it adds a chapstick taste to your mouth! Tell us of the results!
I Cook whole pigs nearly every weekend and you get a lot of rendered fat from a whole pig, having carried out repairs at a friend of mines Game Processing Plant and seen Deer prepaired, the fat content is far lower, so basting would be the only way to go. Saying that, you would not have to cook to the higher temperatures required to cook Pork correctly.