Blue Roan, Gray, or Grullo? A Horseman’s Guide to Identifying True Color
After 30 years of attending yearling sales, I’ve watched buyers pay premium prices for a ‘blue roan’ that turned completely white by age four. What is a Blue Roan horse? A blue roan horse is a black-based horse carrying the dominant roan gene (Rn), which creates a stable mixture of black and white hairs across …

