He has been color tested E/E, a/a and health tested to be N/N to all 5 genetic disorders related to stock horse breeds.
This simply means that he is homozygous black and genetically black based, since he does not carry the agouti (bay) gene. So, he will never sire a red legged foal, even when bred to a sorrel mare. Also, he will not contribute any genetic disorders to his foals.
Blue Valentine & Driftwood bred American Quarter Horses