POULTRY MATERIA MEDICA 233 



CHLOROFORM 



Source — Alcohol and water are heated in a still to 37.7° C, when 

 chlorinated lime is added and chloroform is evolved. 



Properties— A heavy, clean, colorless, mobile and diffusible liquid 

 of a characteristic ethereal odor, and a burning sweetish taste. 



Action — Anesthetic. 



Use — It is used as an anesthetic in preparing birds for operation. 

 Chloroform and ether are an excellent combination for anesthetic 

 purposes. 



COAL-TAR DISINFECTANT DIPS (Standardized) 



Source — Coal tar distillation products, the active principles of 

 which are cresols and hydrocarbons. 



Properties— They are a rather thick, black tarry liquid which 

 turns the water a milky color, due to the soapy emulsion that 

 results upon the addition of the water. 



Use — A destroyer of germs and parasites. 



How Used — If the product so standardized has a coefficiency of 

 5, then a two per cent solution in water (one ounce or two table- 

 spoonfuls to each two quarts of water) should be used for spray- 

 ing purposes for parasites and germs. 



CONVALLARIA (Fluid Extract) (Lily of the Valley) 



Source — An extract of the plant. 

 Preparations — Extract, fluid extract and tincture. 

 Action and Indications — Similar to digitalis. 

 Dose — For adult fowl, ten to twenty drops. 



CREOLIN 



Source — Obtained from soft coal by dry distillation, its composi- 

 tion is very complex. It is said to contain cresol and higher homo- 

 iogues of phenol. 



Properties — ^A dark-brown syrupy, alkaline liquid of a tarry taste 

 and odor. 



Action — A powerful disinfectant, antiseptic and parasiticide. 



Use — As a spray for poultry houses and equipment use one to 

 five ounces to each gallon of water, 



DIGITALIS (Fluid Extract) (Fox Glove) 



Source — From the leaves of digitalis. 

 Preparations — Extract, fluid extract and tincture. 

 Action — It strengthens the heart beat. 



Indications — It has a tendency to correct the rapid, weak, irregu- 

 lar pulse. 



Dose — For adult hen ten to twenty drops. 



ETHER (Sulphuric Ether) 



Source — Obtained by distillation of alcohol with sulphuric acid. 



Properties — A transparent, colorless, mobile liquid, having a 

 characteristic odor and a burning, sweetish taste. 



Action — To produce anesthesia. 



Use — It is used as an anesthetic in preparing for operations on 

 birds. 



EUCALYPTUS, OIL OF 



Source — A volatile oil distilled from the leaves of the eucalyptus 

 tree. 



