I AGREE THAT THE TEMPS ARE BELOW MASS BUT TOO COLD I DON'T THINK SO TROUT ARE A COLD WATER SPECIES SIMPLE ACLIMATION WILL ALLOW STOCKING... THEY CUT HOLES IN THE ICE THIS WINTER TO STOCK THE SURPLUS BREEDER BROWNS .. THEY ALWAYS STOCK THE RIVERS BEFORE THE OPENING DAY OF PONDS !!!