The IIp:lation of Food to Milk-Fat. 



60 



Lot A, narrow ration. 

 Lot B, medium ration 

 Lot C, wide ration . . . 



Protein. 



3.08 



2.37 



4.56 



Carbo- 

 hydrates. 



10.63 

 11.67 

 12.96 



Fat. 



1.13 



.87 

 .67 



Nutritive 

 ratio. 



1:4.3 

 1:5.7 

 1:9.3 



Beginning with January 6, eacli cow was fed five pounds of man- 

 gel-wurtzels per day, w^liich amount was increased to 10 pounds in a 

 few days and so continued until the close of the experiment. 



Table II contains the average record of consumption of food and 

 production of milk and fat for each of the three lots of cows named 

 above. The data given includes the weekly average consumption 

 of dry matter per head, the average dail)^ consumption per 1000 

 pounds live weight, the nutritive ratio, the average weekly yield of 

 milk and fat and average per cent of fat. 



TABLE II. 



Average Record of Lot A. (Narrow Ration). 



