There are surprisingly more Dobes than Labs in this sport! Just saw the numbers the other day.
In case anyone was curious...
Here are the top 10 registrations (per the BHA)
Registrations by Breed:
Mixed/Cross Breed 3676
Border Collie 1200
Australian Shepherd 1190
Doberman Pinscher 878
Border Terrier 857
German Shepherd Dog 857
Jack Russell Terrier 842
Golden Retriever 815
Labrador Retriever 753
Rottweiler 556