287 

 REMEMBER. 



1. — That an animal sick with Texas fever can not in- 

 fest or transmit the disease to healthy cattle. 



2. — That the only known means by which the micro- 

 parasite that causes Texas fever can be transmitted from 

 diseased cattle to healthy ones is through two genera- 

 tions of the Southern cattle tick. 



3. — That tick-free cattle never have Texas fever as 

 long as they are tick-free. 



4. — That cattle with Texas fever have or have had 

 ticks upon them. 



5.^ — That all cattle must acquire immunity after birth 

 by having one or more attacks of Texas fever. 



6. — That immunity to Texas fever is not inherited. 



7. — That Southern-bred cattle have Texas fever when 

 very young (sucking calves), and are usually but 

 slightly affected by it. 



8. — That the older the animal the more severe the 

 fever ; the older the animal the greater the mortality. 



9. — That all cattle north of the government quarantine 

 line are susceptible to Texas fever. 



10. — That all Southern-bred cattle raised on tick-free 

 farms and tick-free town lots are susceptible to Texas 

 fever. 



11. — That immune cattle will lose their immunity if 

 kept free of ticks for two or more years. 



12. — That in hot weather Texas fever is usually more 

 acute and fatal than in cool seasons. 



13. — That the best time to bring Northern-bred or for- 

 eign-bred cattle into Alabama is between November 1st 

 and March 1st. 



1. — That it is safer to bring young sucking calves into 

 Alabama for acclimation than cattle over one vear old. 



