I switched Dukie from Royal canin at 8 weeks to natural balance LID sweet potato & fish formula. Everything seems good except he has a bit of an odor. A bit of gas when he sleeps on my lap, but not huge. He has no yeast issues & I keep his folds & tail pocket clean.. Just an all over slight odor that I've never had with other breeds. I bathed him last night & did an ACV/ water rinse. He doesn't smell at this point. He is tearing a bit the last couple of weeks which I wipe dry, I think he's teething ( 4 months old now). Should I keep him on this food or change to FROMM grain free? Wondering if the odor could be from the food......