4 DISEASES OF SWINE 



tions will be discussed in connection with the symp- 

 toms of the different diseases. These become greatly 

 changed in some cases, and are important symptoms 

 of disease. 



The condition of the nervous system is indicated by 

 dulness, excitability, or delirium. The hog may 

 stagger, walk stiffly, drop the head, turn the head to 

 one side, walk in a circle, have convulsions, and show 

 a paralysis of a part or the whole body, as a result of 

 a diseased condition of some part of the nervous 

 system. 



ADMINISTRATION OF MEDICINE 



The different methods of giving medicine are as 

 follows: (a) by way of the mouth, (b) by injecting 

 into the tissues beneath the skin, (c) by rubbing into 

 the skin, (d) by the air passages and lungs, and (e) 

 by the rectum. 



By way of the mouth is the most common method 

 of dosing hogs. Medicine can be given in the feed 

 or as a drench. Because of the comparative simple 

 digestive tract, drugs enter the system quickly and 

 act in a short time when either of these methods is 

 used. 



If the hog is not too sick to eat and- the drug 

 does not have an unpleasant taste, it can be given in 

 the feed. If soluble, milk or thin slop can be used, 

 and if insoluble, ground feed is to be preferred. 

 When a large number of swine are to be dosed, they 

 should be separated into small bunches and each 

 bunch dosed separately. In all cases when the dose 



