The Old English is the most substantial of sheepdogs, and underneath the glamour of a crisp blue and white coat, there should be a dog still fit for working with the flocks.
Source: The Kennel Club (UK)
There are numerous breed standards. The basis of breed/conformation shows is the judging of pedigree dogs against the 'Breed Standard', which is a picture in words that describes the range of features that are deemed appropriate for the breed. Three of the major international standards are:
The Kennel Club list of DNA tests available for each breed along with an indication as to whether the test is part of the Assured Breeder Scheme (recommended or required) and whether it is recorded on the Kennel Club registration database: