 Conversely, even in modern times, the Shire horse breed standard counts excessive white, body spotting, or roaning as a fault, especially in stallions.Among Shires and Clydesdales, high white markings follow a pattern similar to that found in high-expression Sabino 1 sabinos.The consistency of the draft-type sabino spotting pattern led researchers to include these horses in the original study that discovered Sabino 1.