
Ditto tohme
He's more than likely been sick because he didnt chew the bones properly. Hang on to them as he eats if you can to teach him to chew them up.
I DONT do the 'introduce raw slowly thing' as i believe that feeding raw and complete together is probably more upsetting for the digestive system, unless you feed one meal complete, one meal raw (and thats not really introducing it slowly).
Em