So sorry for your loss. You did the right thing by doing him that last "favor".
It is so hard losing a GSD. I'm still not over losing Maddie even though a new pup has brightened my life of late.
Run free at the bridge Deacon.
Linus van Pelt Haus Juris CGC. My Sweet Babboo, born March 17, 2014.
Madeline Ronan Heart (Maddie) Dec 1997 -- November 22, 2013 Rescue GSD, Sable