CHAPTER V. 



Diseases, etc., of the External Parts of Cattle. 

 SCURF, SCAB. 



SYMPTOMS. This is a disease of the skin, and is 

 manifested by its stiffness, and sticking fast to every 

 part of the body, as if it were too small for the carcase, 

 and first becomes visible about the head and jaws, the 

 skin exhibiting a pale, dry, scurfy appearance, and 

 then extends down the shoulders and back. The 

 animal rubs itself violently against every object which 

 it comes near ; and unless remedies are applied, it will 

 tear its skin, and cause bleeding, and thereby produce 

 scabs, which retard the efficacy of the ointment, and 

 allow the disorder to become more deeply rooted. 



CAUSES. Poverty of the blood is an immediate 

 cause of this complaint. 



REMEDIES. The best specific is mercury ; but the 

 animal is so apt to lick its skin, that it is a dangerous 

 remedy. The following ointment has been found 

 effectual in removing the complaint : 



Sulphur vivum, powdered . . 4 ounces, 

 To be mixed with hogs' lard . . 6 ounces. 



Let the whole parts affected be rubbed with this 

 ointment, and repeated in the course of three or four 



