He is a 5 year old flatcoat retriever. We just noticed this for the first time today - he can't comfortably drink from or eat from his bowl when its placed on the floor, he squeaked in pain and we had to elevate it by putting it on top of an upturned bucket. This is entirely new - as of today
A minute ago I forget and threw a dog treat on the floor for him - he winced when he tried to pick it up 
Any thoughts?