134 THE BUSINESS OF DAIRYING 



Comparing this ration with the standard we find 

 it corresponds very closely. While the substitution 

 of cottonseed meal for the corn-and-cob meal adds 

 somewhat to the expense, it is the experience of 

 careful feeders that the increased returns will more 

 than pay for properly balancing the ration. The 

 same result might be obtained by substituting other 

 feeding stuffs, and the selection should be made by 

 determining which can be most economically used 

 to supplement the home-grown foods. By formu- 

 lating a properly balanced ration containing each of 

 the foods under consideration, and by assigning the 

 actual market values per pound to each of the feeds 

 in the ration, the cost can readily be ascertained 

 and the cheapest selected. 



CHAPTER II 



OBSERVATIONS BY HAECKER* 



It has long since been recognized that because of 

 the difference in composition of the various kinds of 

 feed stuffs no single standard of composition for all 

 feeds would be practicable, and yet, while there is as 



*Bull. No. 79, Min. Exp. Station. 



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