I have had 6 Mourning Doves,Gutted/Grassed in my vest bag for more than 4hrs. in aprox.80 degree Dry weather,& had No problems when I got back to base to de-feather them,No bad smells,No parasytes,Excellent flavor stick roasted over Alderwood!Notice I said "Gutted/Grassed?Immediately after hunting/taking the bird's which lasted for about 1 1/2 hrs.,I gutted them including the crop,& stuffed the body cavity with Dry grass/straw type grass,leaving the heads/feet on.For Squirrel,I've skinned,then gutted them,per each one taken,On the spot,with the head,forearms,feet,tail cut off,then stuffed the body with dry grass,& rolled them in newspaper,carried in a haversack for 2hrs.time aprox.in 95 degree humid weather,No Ill affect's,Ever!Rabbit & Possum are done in the same manner as squirrel,at least for me anyhow,I've seen people carry their quarry for hrs. on end,without gutting/airing,& Those people are still alive,as I know it!If you can "Stomach" getting thru the Politics,You just may have a chance to obtain the intestinal fortitude,to hunt! Good Luck!