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HATCH EXPEEIMENT STATION. [Jan. '96. 



How to purchase Grains. 



In making up grain rations cost must be considered, and 

 one should he familiar with the fluctuating market values of 

 the several feed stufl's in order to make economical combina- 

 tions. The following figures show the approximate commer- 

 cial values of the different feeds, based on the amount of 

 digestible protein they contain : — 



The above figures do not express the relative physiological 

 effect of the different grains, but show their comparative 

 values in digestible protein after figuring the digestible 

 carbohydrates and fat at a definite price. They can be used 

 as guides in purchasing. 



