Not sure of that. Scentwork is hard on the dog because of how they use their nose. The airflow is different when they are scenting than when they are just running around and cooling efficiency is impaired.
NAPWDA Certified Cadaver Dog
Waiting at the Bridge (italics
=GSDs) (hemangiosarcoma=blue):Grim , Cyra, Toby
, Rainbow, Linus, Oscar
, Arlo & Waggles