well bred fillies

[sumitas]

Racing ability does not translate to breeding success. Very few sires ever produce an offspring better than themselves. So the entire pedigree needs to be evaluated in a mating, well beyond just the dam and sire, imo. Same for the great fillies, without the right mating it's hard to produve a successful foal. BW's dam Lady's Secret. Her off spring were mostly the result of continually inbreeding Bold Ruler or Nasrullah of her top line. None of the foals showed a great deal of success yet they continued to churn out similar matings foal after foal. And they kept selling and they kept disappointing on the track.