SANITATION 293 



Quarantine. Provision should be made in large herds for 

 quarters where hogs that have been purchased, or brought 

 home from shows, can be kept entirely separate from the rest 

 of the herd for at least three weeks. The plan of using portable 

 pens and dividing the herd up into small groups has a marked 

 advantage over keeping the hogs in a large piggery, in case a 

 contagious disease breaks out. With the portable pens, all 

 hogs are not exposed, and it is a simpler matter to effect a 

 quarantine. 



Hog cholera is the most dangerous contagious disease that 



FIG. 70. A form of brood house for sow and pigs. Easily removed to a clean place 

 to prevent disease. 



the 'swine breeder has to contend with. In case of an outbreak 

 of either cholera or swine plague in the neighborhood, a most 

 rigid quarantine should be put into force. There should be no 

 visiting back and forth by either man or beast between infected 

 farms and those which are clear, because the virus which causes 

 the disease may be easily carried on the boots of the persons 

 or the feet of animals. Even dogs have been known to carry 

 the disease from one farm to another. Dogs should be tied up 

 until an outbreak of this disease is under control. 



On the farm where disease breaks out, healthy animals 

 should be separated at once from diseased animals, and differ- 

 ent attendants should feed the two lots, each attendant keeping 



