s 



Eoq Cholera. 



CAUSE OF DISEASE. 



The direct cause of hog cholera is a germ or organism which is 

 so small that it will pass through a porcelain filtei ami even yet, 



OMr -rf^JfkV 



Where cholera broke out, showing chicken 

 spreading diease germs. 



due to their extreme smallness, the germs that cause the disease have 

 never been seen with a microscope. 



The prevalence of cholera among hogs can be accounted for by 

 the way in which farmers and hog raisers usually care for these an- 

 imals. ' In neighborhoods where the disease is prevalent over eight 

 per cent of the outbreaks will first appear in those hog houses and 

 lots where a wet, muddy, filthy, ill-smelling condition exists. This 

 is an ideal place to breed and harbor the disease and if these condi- 

 tions could be prevented it would he an easy matter to control hog 

 cholera. 



The germ is always present in the blood of diseased hogs and 

 is also present in their saliva, urine, manure and in fact all excre- 

 tions from their bodies. - 



When these germs are set free in the filthy pens and muddy yards, 

 conditions are exactly right so that everything that touches or 

 comes in contact with these pens and yards will become covered 

 with the germs and thus spread the disease throughout the neigh- 

 borhood. Cattle, horses and wagons when driven through the in- 

 fected yards which the hogs frequent, may carry the disease. Buz- 

 zards, because of their habits of feeding in bog lots; poultry, pig- 

 eons, wild rabbits, dogs, foxes, skunks and even people traveling 

 from one farm to another, may carry the disease to the next neigh- 

 bors. Hogs bought in an infected neighborhood and about to 



