128 



DAIRY CATTLE AND MILK PRODUCTION 



SHOWING PORTION OF RATION AVAILABLE FOR MILK PRODUCTION 



No. 27 

 IN POUNDS 



SHOWING PORTION OF RATION AVAILABLE FOR MILK PRODUCTION 



No. 62 

 IN POUNDS 



Below is given the ratio between the fat produced by the 

 two cows and the ratio of available feed. 



The interpretation of the above is that after the mainte- 

 nance is supplied practically the same amount of food was 

 required by each for a pound of fat. The real difference be- 

 tween the cows was that with No. 62 the capacity for using 



