HOME-GROWN DAIRY FOODS FOR WINTER USE 157 



of butter per cow, including heifers and all. I have 

 no more business to put costly food into a wasteful 

 machine than I have to thresh wheat with a ma- 

 chine that would send half the grain into a straw 

 pile. It has paid me well to think hard, read and 

 study on these things. Is there any reason on earth 

 why it will not pay you to do the same thing?" 



Illustrating the value of considering the cost in 

 selecting dairy foods. The value of carefully select- 

 ing a ration, from the standpoint of economy, is 

 very clearly illustrated in an experiment at the Ohio 



Average Daily Rations 



I SILAGE RATION 



II GRAIN RATION 



