over the xmass period i had a deer,i was talking to a butcher in town and he said to hang it as long as you feel its still ok.well during december it was freezing over here for about 3 weeks,i hung a fallow for 13 days,it never thawed,cold all day and night,the meat went very dark but it was the nicest i have eaten ever.i am after a chill fridge,like a coke can fridge etc,that should be of help.thanks for your replys again.