Well, it does taper in a little, but I can feel some rolls on his back like loose skin, so I'm assuming that's fat.  He's pretty darn solid and the vet hasn't said anything, but cutting back on treats and walking more wouldn't hurt. 
     
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 The fullness of our heart is expressed in our eyes, in our touch, in what we write, in what we say, in the way we walk, the way we receive, the way we need. -Mother Teresa   (
 RIP Gizmo 3/9/07-8/18/12)