EVOLUTION OF THE BEEF CATTLE INDUSTRY 255 



Polled Herefords. The Polled Hereford breed is of two 

 types. These types are characterized by the terms double 

 standard and single standard. The former type sprang directly 

 from the pure bred horned Hereford. A double standard 

 Polled Hereford is any pure bred Hereford naturally polled 

 and whose ancestry will permit its registration both in the 

 American Polled Hereford Record and in the American 

 Hereford Record. It is from this double registration that 



FIG. 



Polled Hereford bull. 



the term double standard is obtained. The term does not 

 indicate as is sometimes supposed, that an animal has 

 both a Polled sire and a Polled dam. It is necessary, how- 

 ever, for both sire and dam to be pure bred and registered 

 in the Amerian Hereford Record. 



The single standard Polled Hereford is a distinct type 

 which can be registered only in the single standard Polled 

 Hereford Record and not in the Amerian Hereford Record. 

 This record is distinct from the double standard Polled Here- 



