EXERCISE 58 (Continued) 



2. Calculate the relative economy of the following feeds at the market 

 prices given, according to contents of total digestible matter, energy values 

 and feed-unit system, viz.: 



(a) Alfalfa hay at $18 a ton, corn meal at $32 a ton, barley at $28, 

 wheat bran at $24. Give order of preference for the purpose of making up 

 rations for dairy cows. 



(b) Corn silage at $3.50 a ton, alfalfa hay at $15 a ton, timothy hay 

 at $18, and sugar beets at $6 a ton. 



(c) Barley at $25 a ton, Indian corn at $32, wheat bran at $24, 

 wheat middlings at $25.50, linseed meal at $38, and cottonseed meal at $36 

 a ton. 



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