What I'm about to chime in on isn't elk but it is caring for fresh killed critters.
I'm in South Florida the majority of the year. We bow hunt wild boar year round. We skin them out, 1/4 them up and put in a cooler, nothing fancy either, meaning no Yeti or Engle coolers.
We ice the meat to the top of the cooler and eliminate as much air space as possible.
Here's the wild part. We keep the meat in the cooler for 3 days. We drain it every morning and replenish the ice. On the third day, the water drain is clear and loses the blood stain. We do this to rid the meat of that wild boar rank taste and it works.
So my point is, if you keep your kill iced plentiful, you'll have no problem as long as you drain that melted ice out and replace. It gets so cold in there that you can't even place your hands inside to turn the meat around and over. Always feel for warm spots. Those are your enemies. Ice and more ice.
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