Farm Animals and Principles of Feeding 291 



W. T. Skilling 

 FIG. 239. The use of a feed rack prevents the waste of a great deal of hay. 



as much mineral matter as oats, and wheat contains a 

 little more than corn. 



If an animal is growing, its feed should contain an Supplying 

 extra large amount of protein, as this is required for 

 building up muscle. Also, if an animal is producing 

 anything that it requires protein to make, as eggs or 

 milk, the feed should be rich in protein. All kinds 

 of grain and hay contain protein, though in very different 

 amounts. Rice contains only seven pounds of protein 

 in each hundred pounds of grain; corn, ten pounds; 

 wheat, twelve pounds ; bran, sixteen pounds ; cotton 

 seed, twenty pounds ; soy beans, thirty-six pounds ; 

 timothy hay, six pounds; and alfalfa hay, fourteen 

 pounds. 

 . Muscle cannot be produced without food that con- 



