I was also going to suggest LID.
A long time ago I had a dog that couldn’t eat the usual proteins like chicken & beef. This was before there were so many dogs effected by allergies so our options were very limited and very expensive.
If he could’ve lived forever I would’ve probably tried enzymes, pineapple, probiotics, pure pumpkin. All things I have found go help my dogs after him.
If he was here today I would probably be giving him raw goat milk. I swear that stuff is good for everything and everyone.
Good luck on your search. I hope your dog gets some relief soon.
