308 BUILDINGS, SANITATION, AND DISEASES 



each), and vaseline (three ounces). Hot fomentations may 

 also be used. 



" Sore teats should be bathed daily with white lotion (one 

 part zinc 'sulphate, three-fourths of a part lead acetate, and 

 thirty parts water) until healed." 



ECZEMA. 



Eczema, and similar skin troubles, can usually be success- 

 fully treated by washing or spraying with a one per cent 

 solution of creolin, or some of the well-known tar disinfectants. 

 The hog should be kept in a clean, dry place, and out of the 

 sun until cured. It sometimes requires time to effect a cure, 

 and the treatment should be given every day until the disease 

 is conquered. 



RHEUMATISM. 



In northern latitudes, rheumatism often occurs among 

 swine, especially during cold, damp weather. Damp, ill-ven- 

 tilated pens are a common cause, and it may sometimes be 

 caused by overfeeding. Piggeries built "with stone or concrete 

 walls and floors are generally more dangerous than those built 

 of wood. When such walls are hollow and the floors insulated 

 with a tar layer, they are much safer. 



The hog becomes very lame and stiff and moves about with 

 difficulty. Sometimes the joints become swollen and very 

 painful, and the animal becomes practically helpless. In such 

 cases it is seldom that the hog makes a recovery. 



The feeder must be on his guard against this disease. 

 Dry, well-ventilated pens and careful feeding will generally 

 enable him to avoid disaster. Animals which become affected 

 should be kept in dry, warm quarters. Dr. Craig ("Diseases 

 of Swine") says: " Salicylate of soda is the most useful drug 



