sentences:  As long as they meet these two requirements, they can have any breeds in their pedigree.Even if already registered as Racking Horses, Tennessee Walking Horses, Missouri Fox Trotters or other breeds, or from undocumented parentage, registration with the NSSHA is allowed.If a foal who has one or both parents registered with the NSSHA displays solid coat color (without pinto markings), it can be listed as having "identification" registration, and any spotted foals it has are considered to have NSSHA-documented parentage.