26 



THE CATTLE I l.\ ER TICK. 



All the country that is south of the red line across 

 the top of the map was full of fever ticks up to the 

 vear 1906. 



These ticks were so dangerous to* cattle in tick- 

 free country that the United States Government 

 said that no cattle with fever ticks on them should 

 be shipped out of a ticky State to go to farms where 

 there were no fever ticks. This is called a " quaran- 



Cattle in quarantine pens. These cattle are from ticky country. They 

 are kept away from clean cattle. 



tine" to prevent the spread of tick fever. The Gov- 

 ernment made this rule because these fever ticks 

 would give the fever to tick-free cattle and kill them. 

 This rule makes it harder for owners of I icky catl le 

 to ship their cattle to the big cattle markets in other 

 Slates. They have to keep their ticky cattle in 

 quarantine cars and pens away from all lick-free 

 cattle until they reach the slaughterhouse. 



