1.888.] 



PUBLIC DOCUMENT — No. 33. 



81 



Summary of Experiment VII. 



Total Cost of Feed consumed during the above-stated Experiment. 



1,386.40 lbs. Com Meal, $16 64 



1,220.0 gals. Skim-milk, 21 96 



412.29 lbs. Wheat Bran, 4 64 



424.23 lbs. Gluten Meal, 4 77 



$48 01 

 Average cost of feed for production of 1 lb. of dressed pork, 5.15 cents. 



Manurial Value of the Feed consumed during the above Experiment. 



Cprn Meal. 

 $5 52 



Skim-milk. 



$11 32 



Wheat Bran. 



$2 97 



Gluten Meal. 



$3 71 



Total. 



$23 52 



Manurial value of feed for production of 1 lb. of dressed pork, 2.52 

 cents. 



Taking for ijranted that in raisins; one and the same kind 

 of animals to corresponding weights, practically the same 

 amount of nitrogen, phosphoric acid, potassa, etc., will be 

 retained in the animal system, it follows that the excess of 

 any one of these constituents of one diet as compared with 

 another one must count in favor of the higher commercial 

 value of the manurial residue of that particular diet. 



Accepting this view regarding the final determination of 

 net cost of feed as correct, it will be noticed, in the subse- 



