hi i have a 12 week old puppy and i have been feeding him (puppy) blue buffalo could you tell me what is the best food to feed a bulldog puppy. i thought blue buffalo is the best for him but every site i go to is telling me different and say whats best for a bulldog and they say iams and other dog food but i heard tough have chemicals in them and fillers and grains and a whole bunch of bad stuff. what is the best food for a bulldog puppy for his joints and everything else? please help i am so confused