HANDLING HOG CHOLERA IN THE FIELD 165 



done to add fuel to the flames, and in being al- 

 lowed three weeks' respite in which to observe the 

 progress of an outbreak. 



Irrespective of the plan we choose, if new cases 

 continue to appear later than the sixth or seventh 

 day following treatment, a second dose of serum 

 alone is indicated; and if " breaks" occur subse- 

 quent to simultaneous treatment, they should be 

 handled in the manner described in the preceding 

 chapter. 



Under the conditions in which we found this 

 herd of shoats, we explain the situation to the 

 breeder, and recommend method number three as 

 safest, informing him at the same time that 

 method number two is, in the majority of cases, 

 satisfactory. With the facts before him he can 

 then decide for himself. 



Precautions to prevent spread of hog cholera to 

 neighboring farms include preventing sale or ex- 

 change of sick or well animals from the infected 

 herd, exclusion from the infected pasture of all 

 persons, vehicles, or animals that may later enter 

 non-infected hog quarters, and prompt disposal 

 of carcasses so that they will not attract carrion- 

 eating animals or birds. Burning is by far the 

 best method of destroying carcasses, but burying 

 in quicklime, or rendering, is permissible. In a 

 pasture such as we find this herd of shoats dis- 



