6 DISEASES OF SWINE 



have been dosed to become mixed with the others, 

 they should be marked with paint in order to avoid 

 mistakes. 



Soluble drugs are best given in a milk or water 

 drench, insoluble ones in syrup or oil. Instead of a 

 syringe, a longTnecked bottle, or a funnel with rubber 

 tubing and an iron nozzle, can be used. However, it 

 is not advisable to use a bottle, as there is danger of 

 the hog breaking it and cutting his mouth on the 

 glass. 



Non-irritating drugs can be injected into the tissues 

 beneath the skin. This method of giving drugs is 

 suitable when the dose is small, and prompt, energetic 

 results required. The active principal or alkaloid of 

 the drug is generally used. 



The point of injection should be where the skin is 

 thin, as the flank, belly, inside of the thigh, etc. In 

 fat hogs, a part where there is but little fatty tissue 

 should be chosen or the injection made direct into 

 the muscular tissue, otherwise it will not be absorbed 

 promptly. The needle and hypodermic syringe must 

 be cl^an, and the skin cleaned with a disinfectant be- 

 fore passing a needle through it, in order to prevent 

 infection and abscess formation. 



Giving medicine by way of the air passages and 

 lungs is but little used in hogs. Drugs in the form of 

 medicated steam or vapors are sometimes used for 

 their local effect on the air passages. Veterinarians 

 seldom attempt to anesthetize a hog, especially if fat, 

 as it is too difficult and very apt to kill the animal. 



Drugs suitable for the purpose of inhalation are 



