CHAPTER IV 

 PEDIGREES AND THEIR VALUE 



The pedigree of an animal shows the consecutive rela- 

 tionship of an animal to its ancestors. Of some animals we 

 say that they are pure-breds, while others are known as 

 scrubs or mongrels. The pure-bred has a known pedigree, 

 while the scrub has not. Men have developed herds of 



Figure 10. — Hereford grade steer, sired by pure-bred Hereford bull. Bred on 

 the Texas range, fed at Ohio State University. Shows example of the 

 influence of superior sire. Photograph by the author. 



animals of similar character and ancestry from which they 

 uniformly reproduce the parent type, and have kept careful 

 records of the breeding. Such animals form a breed. To 

 be pure-bred, an animal must show in its pedigree that it 

 traces back wholly within the blood lines from which the 



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