260 



Pork Prodvjdion 



shorts or middlings to 1 of corn in order to have as much 

 protein in the ration as is supplied by a combination of 10 

 parts of corn and 1 of tankage. From the standpoint of 

 the farmer, that supplement which is richest in protein 

 and which consequently permits of the use of a larger 

 proportion of corn in the ration, is always to be preferred. 



Table CIV. — Summary : Tankage versus Wheat Shorts 

 OR Middlings (Av. 6 Exps.) ' 



The relative values of tankage and shorts or middlings 

 as determined by the average quantity of these feeds re- 

 quired to produce 100 pounds of gain, are calculated and 

 shown in Table CV. 



Table CV. — Value of Tankage as Affected by the Price 

 OP Corn and Wheat Shorts or Middlings 



When com and shorts 

 or middlings are 

 worth 



Tankage is worth 



Com 56 



per bushel 

 Shorts $25 



per ton 



$63.98 per 

 ton 



Com 70* 



per bushel 

 Shorts $30 



per ton 



$74.60 per 

 ton 



Corn S4* 

 per bushel 



Shorts $40 

 per ton 



Com 98* 

 per bushel 



Shorts $45 

 per ton 



$106.74 per 

 ton 



$117.34 per 

 ton 



Com $1.40 

 per bushel 



Shorts $60 

 per ton 



$149.20 per 

 ton 



» Ind. Ejcp. Sta. Bull. 137 ; Ohio Exp. Sta. Bull. 213 and 209 ; 

 Kans. Exp. Sta. Bull. 192 ; Neb. Exp. Sta. Bull. 147. 



