I'm with Joe, gotta see a pic of that dog LOL. We had a Lab cross that tried to nurse a kitten (she had no milk though having never been bred). I had to put a stop to it when the kitten started scratching up our dog's belly in her frustration at the lack of milk. Silly kitten had been weaned properly but hey the dog was offering! LOL If your pets are anything like ours, they'll remain life long buddies.