Purdey's been tested for allegies & chicken is one of them. (but wasn't for turkey? ) JWB Turkey + Rice & Burns fish & brown rice were the two kibbles we tried before switching to a BARF diet. She never had sloppy stools but had other symptoms linked to allergies. Funny enough, as Claire says, she has chicken in it's raw form in her present diet & still she is virtually symptom free
You can do an exclusion diet as you are doing now but for Purdey with so many allergens, it would of taken a long time to find them all

hope you've found the cause of Max's problem - so much easier when you know what the cause is
