POULTRY MATERIA :MEDICA 239 



Properties — Colorless, transparent, octohedral or prismatic white 

 crystalline powder. Odorless and with an intensely bitter taste. 

 Action — A nerve stimulant. 

 Indications — Paralysis. 

 Dose — For adult fowl, one-fifth grain twice to three times daily. 



SULPHOCARBOLATES OF CALCIUM, ZINC AND SODIUM 



Source — The action of sulphuric acid and carbolic acid on me- 

 tallic zinc, sodium or calcium. 



Properties — A white, crystalline powder. 



Use — In diarrhea, as an intestinal antiseptic. 



Dose — Of the mixture of equal parts of sulphocarbolate of calcium, 

 sodium and zinc, dissolve thirty grains in a pint of water and use 

 as drink or with which to mix mash. 



SULPHUR SUBLIMATUM (Sulphur) 



Source — Obtained from native sulphur by sublimation. 



Properties — A fine, yellow powder, having a slightly characteristic 

 odor and a faintly acid taste. 



Action — Dissolved sulphur as in the lime and sulphur dip (7 

 pounds unslaked lime, 21 pounds sulphur, 100 gallons water) is an 

 excellent destroyer of parasites. In a dry state it has no effect 

 upon mites and perhaps none on lice. 



THYME OIL 



Source — A volatile distillate from the Thymus vulgaris; source 

 of thymol. 



Properties — A thin liquid of characteristic odor. 

 Use — In catarrhal conditions. 



THYMOL 



Source — A phenol occurring in the volatile oil of thyme. 

 Properties — Large, colorless, translucent crystals of the hexagonal 

 system. 



Action — Destroys intestinal parasites. 



Indications — Infestation by round worms. 



Dose — For adult fowl, three grains, followed by a physic. 



TOBACCO 



Properties — From a golden yellow to a chestnut brown, contain- 

 ing an active principal, nicotin. 



Use — Nicotin is very destructive to parasites, as lice and mites. 

 Tobacco stems and leaves have no effect upon them. Dry leaves 

 and stems in nests are useless. A decoction made by boiling 

 tobacco stems or leaves in water is destructive to parasites and 

 contains nicotin in solution. As a spray, nicotin in one-fourth 

 of one per cent solution will destroy parasites. 



WORM SEED, OIL OF 



Source — Obtained from santonica. 



Properties — A volatile oil, yellowish in color with characteristic 

 odor. 



Action — Destroys worms. 



Indications — Intestinal worms. 



Dose — For adult fowls, one teaspoonful to each twelve birds. 



