TEXAS FEVER. 



495 



emulsions of the same may be applied by means of an ordinary pail 

 spraying pump. (Fig. 5.) 



Dipping in a vat is on the ^vhole the best and cheapest method of 

 treatmg cattle for the destruction of ticks. 



Dlpving in a vaf. —Fsirms and pastures may be freed of ticks by 

 treating all cattle regularly every two to three weeks with an effecti^'e 



Fig 5 — Pail spraying pump for small herds. 



tick-destroying agent. If the treatment is applied with such suc- 

 cess as to destroy all ticks that reach the cattle from time to time, 

 thus 23re\'enting any engorged females from dropping on the pasture 

 after the beginning of the treatment, the pasture will become free 

 of ticks after the same period of time has elapsed as would have been 

 required if all animals had been excluded, beginning on the same 

 date; that is, a perfectly successful treatment would be practically 



