Here's what makes a horse a pedigree horse:
* Registered with a breed registry: Most pedigree horses belong to a specific breed, like Thoroughbred, Quarter Horse, Arabian, or Clydesdale. These breeds have organizations that keep records of their lineage.
* Documented lineage: A pedigree horse's ancestry is documented and verified by the breed registry. This information is usually presented in a "pedigree chart" that shows the horse's parents, grandparents, great-grandparents, and so on.
* Importance of bloodlines: Pedigrees are important in horse breeding because they help breeders understand a horse's potential for certain traits. Knowing a horse's lineage can help predict its temperament, athletic ability, conformation, and even its susceptibility to certain diseases.
In essence, a pedigree horse is a horse whose history and ancestry are known and documented. This makes it valuable for breeding purposes and allows for more informed decisions when selecting horses for various disciplines.