alryt lads and lasses im asking this question because i want the dog to be at his best so which dog food out of these 3 are the best to use redmills racer, redmills tracker or redmills excell ive been useing redmills racer but ive been told off a couple of dog lads that i know that redmills excell is the best as it puts good ingredients into the dogs and makes them better and they also say u can tell by the dogs performance wats your opion