THE COMPUTATION OF RATIONS 



7! 



same feeding stuffs as before? The first step is to 

 consult the standard. This we find calls for 32 

 pounds of dry matter; 3.3 pounds of protein; 13 

 pounds of carbohydrates ; 0.8 pound of fat. 



Our second step will be to consider the feeding 

 stuffs as to the quantity to be used. Obviously, 

 each cow has a certain limit as to storage and diges- 

 tion capacity for bulky feeds. In the preceding 

 ration we have provided for about all of the corn 



HEAVY MILKERS REQUIRE BIG RATIONS 



The more milk a cow gives the more she must eat. The biggest eaters are 

 usually the heaviest producers. 



stover, silage and clover hay that the average cow 

 can handle. Her limit, therefore, is reached as far 

 as the roughage foods are concerned. We resort, 

 in consequence, to the concentrated mill feeds to 

 supply the additional food required because of the 

 extra milk produced. 



Since the ration already contains just about all 

 that a cow of this size can eat, we will prepare a 



