396 CATTLE 



double in a given number of years than there is for some of the 

 other breeds, and }ust as much assurance as any breed can give." 

 The Advanced Registry of the American Guernsey Cattle Club 



was based on action of the club in May, 1901, when a set of 

 rules for officially testing bulls and cows under the supervision 

 of agricultural college or experiment station officials was adopted. 

 In 1894 some preliminary work in this direction was attempted, 

 and in July, 1897, the Club published some rules for making 



Fig. 171. Princess May 1479 F. S., a choice specimen of a Guernsey cow, and 



dam of the imported bull Deputy 2917, at head of the Pan-American Exposition 



Guernsey herd. From photograph by the author 



butter tests for cows under supervision of the executive committee 

 of the Club, samples of the milk being tested by experiment 

 station officials, and late in 1898 four different breeders regis- 

 tered for testing their herds. The work then done, mainly in 

 1899, attracted much favorable comment, and the rules adopted 

 in 1 90 1 were, the outgrowth of this experience. These rules 

 (which have undergone more or less revision) in 19 18 involve the 

 following essential factors : If the record is commenced the day the 

 animal is two years old, or previous to that day, she must produce 

 within one year from that date 250.5 pounds of butter fat. For 



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