Purebred animals have a single, recognizable breed, and purebreds with recorded lineage are called pedigreed. It issues Pedigrees for purebreds and litters. Requirements for the breeding of registered purebreds vary between breeds, countries, kennel clubs and registries. Pureblood cattle have higher business value than Purebreds because they are preferred by French breeders. These dogs are registered as purebreds with "unknown pedigree". "Designer dog" puppies sometimes bring higher prices than the purebreds from which they are bred. Dog show competitions included best in breed winners, and the purebreds were winning. Scottish Terriers have a greater chance of developing some cancers than other purebreds. Registering the goats allows for reduction in labeling offspring as purebreds if they are not. The shows not only include classes for purebreds, but have special classes for unpedigreed cats. Therefore, purebreds cannot be colors such as dun, cremello, palomino or buckskin. However, generally speaking, purebreds are less than 10% of the total population. The F1s were then crossed back to purebreds. In purebreds, the eyes are always blue. Also in 2014, The MPHA board separated the registry into two divisions&colon; Purebreds and Appendix.