Effects of Two Generations 113 



of stallions which were full brothers, one of 

 which went to the track, and the other of 

 which did not. A comparison between these 

 full brothers is instructive. Known cases are 

 given in condensed form, the details, includ- 

 ing the names of the brothers and those of 

 their sires and dams, having been previously 

 published in The Horse World of December 

 17, 1912. 



Performers Sired by Full Brothers 



88 Brothers with records 2963 Average, 33.1 



96 Brothers without records. . 963 Average, 10. 



Lost by not Training 96 Brothers 2215 performers 



Performers by Sons of Full Brothers 



Sons of 88 with records 4380 Average, 49.2 



Sons of 96 without records. . . . 1292 Average, 13.4 



Additional loss through Sons 3431 performers 



These two tables are pronounced in show- 

 ing the advantage in training and racing a 

 horse before he is bred, yet they do not tell 

 all of the truth. A few of the 96 brothers 

 which sired 963 performers, were actually 

 trained though not raced, and these few are 

 the best of the 96. The sons of the 96 num- 



8 



