[theBCnut]

It could be due to an imbalance in the raw. It might need fish oil added to it and if you aren’t feeding some tripe, I would add probiotics too. You’re dog could be sensitive to one of those protein sources. Chicken is a commonly allergenic food. Try putting him on just one protein source for a month and see how he does, then switch him to another and so on until you know if it is a particular one he is having a problem with.