Duke seems tired
We adopted Duke , as he was found with a collar; saying please love me. And yes we do . We think he is apox; 6 or so years old,but really dont know. We lost one , and maybe jumping the gun, He just seems down; We play,walk etc;Feed good large breed food; Vet says he is find; But they told us that about our George. At what age can we x-pect to see him state to slow down.