Whiteboard demos

I was explaining the problems with the way German Shepherds had been bred for the show ring to a student, and how the changing confirmation lead to sinking hocks, hip dysplasia and osteoarthritis. Some great work has been done to fix this problem, as well as genetic screening for haemophilia and eye problems.

I reckon this picture summed it up pretty well!
(you need to click on the picture to see both dogs)