Patent ID: 8771943

Claim:
A method of training a Thoroughbred race horse for optimal racing distance, the method comprising the steps of: a) identifying a Thoroughbred race horse that is or may become sufficiently developed for race training, b) obtaining a biological sample from the horse, c) performing a genotypic analysis of a MSTN-66493737 (T/C) SNP in the biological sample from the horse; and d) training the horse based on results of the test, wherein: i) a horse with a C/C genotype in the MSTN-66493737 (T/C) SNP is trained to race as a sprinter, ii) a horse with a C/T genotype in the MSTN-66493737 (T/C) SNP is trained to race over middle distances, or iii) a horse with a T/T genotype in the MSTN-66493737 (T/C) SNP is trained to race as a stayer.