I may be a little late coming to the party, but I saw the question regarding nutrition for a Saint Bernard puppy and had to respond. I have been involved with Saint Bernards for over 40 years and can’t stress enough the importance of keeping them lean and making sure they get LOTS OF OFF LEASH EXCERSIE. I fed a kibble with canned food as a topper for many years and then starting making my own cooked food to use as a topper. Two years ago I made the leap to a RAW diet and cannot begin to describe the amazing changes I have seen in my dogs. I have 2 Saints that are rapidly approaching 10 years of age and are still running and playing with my younger Saints.
My recommendation is this:
Keep the Calcium/Phosphorus ratio as close to 1:1 as possible
Keep Calcium to 3g/1000 Kcals or lower
DON’T LET THEM GET FAT
DON’T EVER LET THEM SLIP AND SLIDE ON SLICK FLOORS
