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Table 1 Description of phenotype cohorts

From: A genome-wide SNP-association study confirms a sequence variant (g.66493737C>T) in the equine myostatin (MSTN) gene as the most powerful predictor of optimum racing distance for Thoroughbred racehorses

  N No. sires Mean RPR Range RPR Mean BRD Range BRD
All TBs 118 107 116 84-138 8.6 5-16
Short (≤ 8 f) 68 63 114 84-129 6.8 5-8
Middle-long (> 8 f) 50 48 120 107-138 11.3 9-16
  1. All TBs (Thoroughbreds) were used for the quantitative association test analysis. Racing Post Ratings (RPR) represent handicap ratings (best lifetime RPR) that are indicative of performance ability. Best race distance (BRD) was the distance (f) of the highest grade of race (Group 1, 2, 3, Listed) won.