516 FARM ANIMALS 
instances until every evidence of its existence has been 
completely stamped out. In some states laws have been 
enacted that prevent the shipment of cattle into that state 
unless accompanied by a certificate of health. 
14. Live stock products.—In marketing live stock 
products a fundamental factor is cleanliness and purity. 
This is much more than mere neatness of package or 
mere tidiness in manner of delivery. Consumers have 
been taught much about food, and they will not be satis- 
GOVERNMENT RETAINING RooOM FOR SUSPECTED ANIMALS IN LARGE PACKING HOUSE 
fied unless they know that it is pure as well as clean. 
The farmer who makes it his business to prepare the 
products he offers for sale in accordance with the simple 
laws of sanitation will not only secure a better price for 
them, but will be able to extend his trade out to the full 
limits of what he is able to handle. There is a constant 
demand for clean milk, pure farm butter, fresh eggs, 
fresh poultry, farm sausage, cured pork and other animal 
products. While all farmers will not be able to dispose 
of their products to consumers direct, a large number, 
