I have not tried tracking on older than two week trail. How old can a trail be then that a dog can reliably run?

Ed,

I have bought several books and DVDs from you including a tracking DVD. I have a trained Walker Coonhound that I use to find lost pets - mostly dogs. I volunteer and donate my time here in Sacramento.

My question is this: how old can a trail be in the city, city streets, for a dog to reliably track. My Coonhound has proven correct with little trouble on a week old scent in heavy traffic and very busy place, but can do two weeks in a park that is wooded located in the city. He also followed two week old scent trail to track a lost Greyhound here in Sacramento in residential streets.

I have not tried tracking on older than two week trail.

But so many pet detectives claim their dogs can track very old city tracks and I really question this. What is the truth? How about tracking at the river - how old can a trail be then that a dog can reliably run?

Linda