18 



Dairy Demonstration Work in New York State 



In the table below is shown the average increase in production 

 of milk and butter fat per cow in one of the herds in the Delhi 

 association, the average decrease in the cost of feed, and the net 

 average increase in profit per cow over feed, extending over a 

 period of three years: 



The cost of feed was reduced $4.85 for each cow, and the profit 

 over feed increased $44.56 in the three years. 



One of the herds in the Delhi association during its first years 

 was the pure-bred Holstein herd of Walter L. Terry, of Walton, 

 New York. The record of this herd shows the advantage of 

 membership in a cow-testing association in bree"ding for produc- 

 tion and in selling surplus stock when the yearly records are 

 known for the entire herd. Mr. Terry has since died, but this 

 herd is still included in the association. The record for the entire 

 herd was as follows: 



The lower average profit over feed in 1913 was due to the sale 

 of some high-producing cows and to the fact that there was a 

 large number of heifers in the herd. 



Mr. Terry once made the statement : " I believe that every 



