CHAPTER X. 

 THE DISEASES OF SHEEP. 



AILMENTS IX GENERAL. 



The writer is sure that sooner or later the reader 

 will feel a sudden need of knowledge of sheep dis- 

 eases and the remedies therefor. Thus at the risk 

 of duplicating a good deal that has been said else- 

 where, he devotes this chapter specifically to sheep 

 diseases. 



At the outset let me say that to the novice, and 

 sometimes to the professional, it is very difficult 

 oftentimes to say just what ails a sick sheep. Dis- 

 eases may, however, be 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 para- 

 sitism. This may be worms in the stomach or in- 

 testines, in the throat or lungs, or encysted worms 

 making a bladder in the brain. And one or another 

 of these internal parasites is the cause of most of 

 the sickness among sheep. 



Last, there may be some derangement of the di- 

 gestion due to improper feeding, no feeding at all, 



(311) 



