HOG-CHOLERA 277 



home herd until tliev are positively sliowii to be free from dis- 

 ease. They should be quarantined in yards set oft' for this pur- 

 pose. The hogs should be cleaned by dipping or washing them 

 with a disinfectant. The quarantine period should be longer 

 than the average ^^eriod of incubation. Three weeks is sufficient. 



The possible inirodudioii of the disease into the pens by 

 people, dogs, birds and other carriers of the disease should be 

 guarded against, especially if cholera is present in the neighbor- 

 hood. The exchange of help at threshing and shredding time 

 with a neighbor who has hog-cholera on his farm is a common 

 method of distributing the infection. It is not advisable to allow 

 a stranger to enter your hog-houses and yards, unless his shoes 

 are first disinfected. Whenever it is necessary for a person to 

 enter yards where the disease is present, the shoes should be 

 cleaned and disinfected on leaving. The wheels of wagons, and 

 the feet of horses that are driven through cholera yards, should 

 be washed with a disinfectant. The feet of feeding cattle that 

 are shipped from stock-yards should be treated in the same man- 

 ner. Persons taking care of cholera hogs should observe the 

 necessary precautions against the distribution of the disease, and 

 see that others practise like precautions. 



Ilog-yards should be well drained and all wallow holes filled. 

 Pens and pastures through which the drainage from the swine 

 enclosures higher up flows should not be used for hogs. 



Care o£ a Diseased Herd. — When an outbreak of hog-cholera 

 occurs on a farm the farm should be quarantined. The herd 

 should be moved away from running streams, public roads and 

 line fences, so that neighboring herds are not unnecessarily ex- 

 posed to the disease. During the hot weather shade and an oppor- 

 tunity to range over a grass lot or pasture are highly necessary. 

 A recently mowed meadow, or a blue grass pasture and a low 

 shed, open on all sides and amply large for the herd to lie under, 

 give the animals clean range and comfortable, cool quarters. 

 Eoomy, dry, well-ventilated sleeping-cjuarters that are free from 



