Diseases of Cattle 



Plate L 



TICKS MAKE 



THE 



DIFFERENCE 



Thl* heifet went to a farm (as indicated) below thel 

 i^inal quarantine line but where tkhy had been eradicated 



Both 



heifers 



were 



purebred 



Shorthorns 



shipped from 



the same 

 day on 

 same 

 train 



This he'ifer went to afarm (as indicated Vmfestec 

 ^^ith ticks. Compare with animal above , 



Raised on 

 tick- free 

 farm 



From same 

 held as 

 heifer above 

 but raised 

 onticky 



'ui, 



U.S. DEPARTMENT 

 OF /ICRICULTURE 



A* 



Facsimile of Poster Used in Tick Eradication Work. 



