i2 



A STUDY OF FARM ANIMALS 



slaughter houses and meat-packing plants from which meats 

 are shipped to all parts of the world. The Union Stock 

 Yards and packing houses are noted features of the great 

 city of Chicago and are daily visited by tourists from all 

 over America and many other countries. In 1920 there 

 were 1,897 slaughtering and meat-packing plants in the 

 United States, in which were killed and prepared for food, 

 under the supervision of United States inspectors, over 65 

 millions of farm animals. These figures are given simply to 

 show the importance of the live-stock trade and the part 

 it must play iia American agriculture. 



Figure 2.— A view in tlie Kansas City Stock Yards. Pliotograph by the author. 



The first use of animals by man dates back to the days 

 when there was no civilization, when no written records 

 were made, and the people hved as ignorant savages. It 

 was in prehistoric times, when the only implements used 

 were very crude ones made by hand, of stone, iron or copper. 

 That animals Hved with man in these prehistoric days, we 

 know, because the bones of man and those of horses, cattle, 

 and other animals have been found mingled together in the 

 remains of prehistoric villages in Europe. As man ascended 



