ANIMAL NUTRITION 

 TABLE XVI. Continued 



179 



tissues nourishing the body and serve as a source of heat 

 and energy. 



121. Rations for Various Purposes. A ration is the 

 quantity of food consumed by animals per 1000 pounds of 

 live weight during twenty-four hours. The age of the 

 animal and the purpose for which it is kept exert important 

 influences on the kind and amount of food that is desirable. 



122. Growth Rations. Young and growing animals 

 need a ration that will produce bone and muscle. When 

 maturity is reached, there is little subsequent increase in 

 either the bones or the muscles. The bones, in part, and 

 the ligaments, muscles, nervous system, and tendons con- 

 sist almost entirely of protein, therefore the young and grow- 



