74 AGRICULTURAL EXPERLMENT STATION. [Jan. 



h. January 2 to January 20 : — 

 One pound of rowen, 3^ pounds of corn ensilage, ^ pound of the 

 same grain mixture as in preceding ration a. 

 Nutritive ratio, 1 : 7.3. 



c. February 4 to February 15 : — 



Six pounds of corn ensilage, 1 pound of a mixture consisting of 

 wheat bran and gluten meal, equal weights. 

 Nutritive ratio, 1 :5.7. 



d. February 18 to March 17: — 



One and one-half pounds of corn fodder, 1 pound of a mixture 

 the same as in ration c 

 Nutritive ratio, 1 :-4.88. 



Cost of Fodder Rations used in Division II. 



a. b c. d. 



Total cost of feed consumed (cents), . . 1.98 171 1.83 1.56 



Manurial value obtainable (cents), . . . 0.71 0.50 0.97 0.89 



Netcostof feed (cents), 1.27 1.21 0.86 0.67 



The customary deduction of twenty per cent, of the 

 manurial value of the feed con.sumed is adopted in the above 

 valuation. Net cost of feed represents its tirst cost, or local 

 market value, less eighty per cent, of the market value of 

 its manurial constituents. 



Cost of Fodder Articles used in the Experiment. 

 Rowen, per ton, 

 Corn ensilage, per ton, 

 Corn meal, per ton, 

 Wheat bran, per ton, . 

 Gluten meal, per ton, 



4. Gain in Live Weight during the Experiment, 



Division I. (1-3). Time of Observation extended over 



152 Du>/s. 



