220 SYNOPSIS OF VETERINARY 



bowels ; used in diarrhoea in small doses, for its stimulating tonic 

 action; is laxative in large doses or may be combined with other 

 laxatives, to prevent griping in milk fed animals, or may be 

 combined with bismuth, opium or sulphuric acid, to stop diarrhoea. 



Actions. — Rhubarb is a stomachic, tonic, astringent, mildly 

 cathartic and cholagogue. 



Uses. — As a laxative or purgative. For dogs, i to 3 drs. of 

 the Fluid Extract or powdered root combined wHh 1 to 2 grs. of 

 calomel or the aromatic syrup with 3 to 5 grs. of resin of jalap 

 and calomel is a nice combination. It is used in small doses as a 

 stomachic tonic, and tonic astringent in diarrhoeas, due to lack of 

 tone in the bowels. 



As a cathartic it may be followed by secondary constipation. 



ALOE— ALOES. 



Inspissated juice of the- leaves of various species of aloes. 



Official varieties :— 



aloe barbadensis — Barbadoes Aloes. 



Synonyms. — Hepatic Aloes, Curacoa Aloes. Deep brown 

 color or orange brown ; most used iri veterinary practice. 



Many substitutes for Barbadoes Aloes are on the market. 



The genuine is shipped in ''gourds'' averaging 2 to 4 lbs. 

 in weight. 



aloe CapEnsiS— Ca/>e Aloes. — Dark brown or olive green 

 masses. 



aloe socotrina — Socotrine Aloes. — Yellowish brown color. 



The active principle is aloin which differs slightly in the 

 different species. 



Dose of Aloes. — As a stomachic, horse, 1 dr., as a purgative, Yz 

 to 15/2 ozs. The average dose when given with some synergist, as 

 calomel is 6 to 8 drs. usually given in form of a bolus, rubbing it 

 up carefully with water or other excipient, or given in linseed-oil, 

 should be combined with some correctives as ginger and nux 

 vomica which aids its action and prevents griping; for young 

 foals several months old 5 grs. of aloes for each week of their 

 age. 



Cattle, 1 to 2 ozs.; sheep, y 2 to 1 oz. but for cattle and 



