Due to allergies with our older Wire Fox Terrier we had him on a boutique grain free brand until we moved ProPlan Salmon & Rice after having a DCM scare when he was 10. Thankfully, he was fine but after education about the DCM issue we stayed with ProPlan. Both my oldest 13 now passed, and middle 3yo LOVE the ProPlan. We just adopted another WFT and we have him on ProPlan Puppy, he loves it too. I like that both are easy to find, reasonable priced and the dogs love it. Those salmon nuggets are gone first.
We'd taken our dog to the WSU Vet school when we had the DCM scare recommended it, as well as a few other brands.
This is our Sarge (3yo) and Sully (9 weeks)