I call it BULL-SHIIT, and tell you why.
Why should a dog been dirty after work, why do he need the "marks" you all so apreciate before someone can say: "I have real workers"?
tell you something about "marks". Long ago on the French border, a guy claimed to have the real stuff, he was a foxterrier and german jagd breeder, and had a kennel with around 40 terriers.
My dad became interrested in his dogs, after he heard some story's on a (boar)hunt.
I make a long story short, when we reach his house there was nobody home. We heard something like a kennelfight in his garden, and when we took a