Hi I got a corn yesterday & it's very overweight. 1084g!! What would be the best way for him.to lose it?? His previous owner was feeding 1 large mouse every 3 days, the mice he gave me look really fat. Should I feed him every 14 days on 1 large mouse or once a week on a smaller mouse?? All advice welcome. I'll be doing exercises everyday (going up & down the stairs & swimming). Is everyday too much??