216 



DAIRY FARMING 



received during the six months beginning May 1. But 

 almost two-thirds (64 per cent) of the cream is used during 

 the summer months. 1 



Because pasture is so much cheaper than winter feed, the 

 products that are readily stored, such as condensed milk, 



Jm. Feb. Mar Apr May June July Au$ Sept Oct. Nov. Dec. 



FIG. 75. Average farm prices of butter and of market milk at shipping 

 stations for the five years 1910-1914. In order to secure a constant supply 

 of milk the prices in the different months have to be in proportion to the 

 costs of production in each month, but the amount of stored butter prevents 

 the winter price of butter from rising as high as it otherwise would. 



butter, cheese, and milk flour, are most largely produced on 

 grass. About 75 per cent of the cheese in Wisconsin is pro- 

 duced in the six months beginning with May. 2 Over three- 

 fifths (63 per cent) of the butter received in Chicago is 

 received during these six months. 3 



1 The Milk Reporter, Feb., 1915, p. 16. 



a Wisconsin Agricultural Experiment Station, Bulletin 231, p. 21. 



3 Chicago Dairy Produce, Jan. 16, 1915, p. 5. 



