ANIMALS. 



127 



Food required for different Animals, for 1,000 Pounds, live weight. 



Rations. — To make up a Lalanccd ration, wc have 

 simply to reckon the quantity of digestible albuminoids 

 and carbo-hydrates contained in a certain amount of the 

 different articles of food in question, varying the quan- 

 tity of each article to meet the wants of the case. 



If, in making up a trial combination, we find we 

 have too large a proportion of albuminoids, then we 

 should increase the proportional part of those articles 

 in the ration which are more largely composed of carbo- 

 hydrates, and vice versa. 



Strict accuracy is not necessary. If the result is within 

 a fraction of what is theoretically required, it is near 

 enough for practical purposes. 



The question whether the ration is properly balanced 

 should always be considered in making a combination of 

 foods. It is not always necessary, however, to follow 

 the theory strictly. Some allowance may be made for 

 market prices. 



If either the nitrogenous foods or the carbonaceous 

 foods are relatively much cheaper in the markets, a 

 larger proportion of the cheaper class may be admitted 



