Hi all ,I have2 new kitties ,my 1 kitty A Ragdoll seems to vomit about once a week he seems healthy he's on Natures variety "instinct" Raw boost and Primal raw formula they are blocks of raw food that you defrost .Now the one kitty is fine and tries to eat my dogs food,[he is also a Rag] but the other vomits easy .Doesn't seem to be hair in the vomit .Any answers before I run him in to the Vet.He has grown very big and is the picture of they are 20 months and 16 months old and the older one is the one that gets sick.