CHAPTER IX. 



THE DISEASES OP SHEEP. 



AILMESTTS IN GBNEKAL. 



The writer knows that sooner or later the 

 reader will feel a sudden need of knowledge of 

 sheep diseases and the remedies therefor. Thus, 

 at the risk of duplicating a good deal that has 

 been said elsewhere, he devotes this chapter 

 specifically to sheep diseases. 



At the outset let him say that to the novice, 

 and sometimes to the professional, it is very 

 difficult oftentimes to say just what ails a sick 

 sheep. Diseases may, however, he divided into 

 three principal classes. 



First, there may be some external parasite, 

 as the tick, louse, scab or foot rot (which is in 

 a sense an external disease.) 



Second, there may be some form of internal 

 parasitism. This may be a worm in the stom- 

 ach or intestines, in the throat or lungs, or an 

 encysted worm making a bladder in the brain. 

 And one of these internal parasites or another 

 is the cause of most of the sickness among 

 sheep. 



Last, there may be some derangement of the 

 digestion due to improper feeding, no feeding 



(8T7) 



