COST OF RATIONS 



153 



With the fat reduced to carbohydrates the ration reads : 



The ration is too high in dry matter, digestible protein and 

 digestible carbohydrates. The ration is also too narrow. 



Improving the Ration. Let us try to improve this ration by 

 supplying less of the nutrients and particularly less protein. By 

 consulting Table I we learn that cotton-seed meal has more di- 

 gestible protein than any of the other feeds in this ration. Sup- 

 pose then we reduce the amount of cotton-seed meal to 3 Ibs. 

 Then the ration will be as follows: 



The ration as it now stands approximates the standard. It is 

 close enough to the standard for all practical purposes. 



