There are about 900 breeds of sheep in the world.
The sit for exam is a modified version of the Stand for Exam. It is generally used in novice level classes and requires the handler to order the dog to sit and then to move away from the dog the length of the leash. The judge will then approach the dog and pet the dog's head.
Since its centenary year in 1991, Crufts has officially been recognised as the world's largest and most prestigious dog show by the Guinness Book of Records, with a total of 22,973 dogs being exhibited that year.