The training concepts of the working dogs used in livestock management throughout the world came originally from Scotland. While the breeds have varied over the years and around the world, as you watch well-trained animals performing herding tasks you will feel the same fascination as others have felt for centuries.
The event will be held under the auspices of the Northern California Working Sheepdog Association, Inc. who also provided the photos seen here.
And a definitive site with some history: The Stock Dog Server