THE JERSEY 257 



when disinterested persons supervised the tests, such large 

 private tests have not been reported. Unquestionably many 

 Jersey cows will yield from 14 to 17 pounds of butter in a 

 week, while a few may pass 20 pounds. The best record made 

 in a week at the Columbian was by the cow Brown Bessie 

 74997, of 20.163 pounds ; in 30 consecutive days her yield 

 was 77.319 pounds. In the Columbian Exposition tests the 



Fig. 1 10. Mary Anne of St. Lambert 9770, classed as one of the most beautiful 

 Jersey cows of her time. The property of Valancey E. Fuller, then of 

 Canada, she had a private record of 867 pounds 14I ounces butter in 365 

 days. Photograph by Schreiber 



Jerseys excelled both Guernsey and Shorthorn in butter-fat pro- 

 duction. In the Pan-American Exposition in 1901 the Jerseys 

 stood second among ten breeds in profitable fat production, the 

 Guernseys leading. In the Louisiana Purchase Exposition the 

 Jerseys surpassed the Holstein-Friesian and Brown Swiss in 

 butter and cost of production, the average cost per pound being 

 lO^ cents for the Jersey, 13^ for the Holstein, and 14! for the 

 Brown Swiss. In 90 days in this test the Jersey cow Loretta 

 D. 141708 produced 280.16 pounds butter fat at a net profit of 



