188 



SWINE DISEASES 



must be understood that the only absolute method for 

 the diagnosis of cholera at this time is the inoculation of 

 a known, healthy, susceptible pig with from one to five 

 cubic centimeters of blood from the suspected animal. 

 Thus determine the presence or absence of cholera. 



Fiff. 17. KIDNEYS. 

 A. Normal. B. hog cholera (turkey egg) kidney. 



Prognosis. The peracute septicemic form of cholera 

 is nearly always fatal. An occasional animal may recover 

 from the ordinarily acute septicemic type, but the large 

 percentage so affected succumb. The pectoral form is 

 usually quite fatal, in some localities fully ninety percent 

 of the affected swine dying. The intestinal form is less 



