416 The Diseases of Animals 



doses of two to four drams once daily, dissolved in a 

 half pint of water. In about a week, a condition 

 known as "iodism" is set up. This is shown by a dis- 

 charge of mucus from the nose and eyes, and a scurfy 

 condition of the skin, especially of the neck, as if bran 

 were scattered at the roots of the hair. When iodism is 

 well established, the medicine should be stopped. The 

 tumor in most cases gradually disappears, and the ani- 

 mal makes a good recovery. If one treatment is not 



Fig. 58. Lumpy jaw, Actinomycosis bovis. 



sufficient, it may be repeated in two weeks. At the 

 same time that the iodide of potash is being given, a 

 severe blister should be applied to the lump or tumor. 

 In most cases, it is thought that the fungus grows out- 

 side the animal body on material that may be taken as 

 food, and, entering a wound, is capable of growing and 

 causing the disease. 



If the tumor is not large, or is not discharging so 

 as to affect the general health, the flesh of the animal 

 is not considered to be dangerous for food. 



