140 



Diseases of Poultry 



used with many other liquid remedies, and should be adopted 

 in all cases where it is important to have the full dose in the 

 stomach in a short time. It does away with the uncertainty 

 attending the giving of medicine in the feed or drinking water, 

 and with a little practice is more expeditious than making 



ae.G- 



FlG. 21. — Sketch showing method of introducing turpentine directly into 

 crop. (After Gage and Opperman.) 



and giving pills. The open end of the catheter may be in- 

 serted into a rubber bulb having one opening. Just sufficient 

 air should be expelled from the bulb, so that the dose of 

 medicine will be sucked up without being followed by much 

 air. The bird's head is then brought in a line with the neck, 

 which is extended, the catheter is passed carefully to the 



