PETBE VOLO HAS SIRE QUALITIES 219 



the energy of tlie sperms is lessened, it is 

 to us a danger signal. When this happens 

 at a stud where stallion fees are from $100 

 to $1000, it becomes a serious matter. 



Whenever you see the colts of an aged 

 stallion coming smaller than usual or with 

 parrot mouths, it is a signal that your stal- 

 lion's seed is weakening and to breed him 

 only to young vigorous mares. For ex- 

 ample, the microscopic examination of 

 the semen of "Peter the Great" tells why 

 he is a great sire. His germ cells 

 are even, full and well-formed ; there are no 

 defectives in them; they are large, vigor- 

 ous and abundant. By a similar micro- 

 scopic examination of his son, "Peter 

 Volo, ' ' I knew he, too, must be a great sire. 

 As soon as the racing career of "Peter 

 Volo," the champion trotting stallion of 

 one year, of two years, of three years and 

 of four years, was ended in the fall of 1915, 

 I began to prepare and train him for his 

 stud career. Eepeated examinations of his 

 life germs convince me that this champion 

 of the turf will also be a champion in the 

 stud. Why other breeders have not done 



