46 GENERAL THERAPEUTICS FOR VETERINARIANS 



arecoline and eserine, in constipation and colic, and to produce a 

 derivative action. They are at the same time diuretics and chola- 

 gogues. For cattle, they are in general somewhat too weak, and in 

 horses their action occurs only after 1 or 2 days. They are too bulky 

 for dogs. The dose of sodium sulphate, magnesium sulphate 

 and Carlsbad salts for horses is 250-500, lb. ss to j; for cattle, 

 500-1000, lb. j to ij ; sheep and goats, 25-50, 5 vj to xij ; swine, 25-50, 

 5vj to xij; dogs, 10-25, 5ijss to vj; cats and fowl, 2-5, 5ss to j. 



5. Hydrargyri chloridum mite. Calomel. The most impor- 

 tant cathartic for dogs and swine; best intestinal disinfectant; may 

 also be given in inflammatory and ulcerous conditions of the intes- 

 tines; should not be administered to cattle and should be used on 

 horses with caution. Dose as a laxative, for swine, 1-4, grs. xv to 

 5j; dogs, 0.2-0.4, grs. iij to vj; cats, 0.1, grs. jss; fowl, 0.05-0.2, grs. 

 M to iij. 



6. Antimonii et potassii tartras. Tartar emetic. A good laxa- 

 tive for horses and cattle, especially in colic and parturient apoplexy 

 and to produce a derivative action upon the intestines; should not 

 be given to weak animals. Dose for horses, 2-10, 5 ss to ij ss ; cattle, 

 10-20, 5ijss to v; sheep 0.5-2, grs. vij to xxx; calves, 0.3-0.5, grs. iv 

 to vij. 



7. Oleum ricini. Castor oil. A mild cathartic for all the 

 domestic animals, but especially for dogs; may also be given in 

 inflammation of the intestines; contraindicated in phosphorus 

 and cantharides poisoning. Dose for dogs, 15-60, 5 ss to ij ; horses, 

 250-750, Oss to jss; cattle, 500-1000, Oj to ij; foals, calves, sheep 

 and goats, 50-250, 5 jss to viij; swine, 50-100, 5 jss to iij; cats and 

 fowl, 10-30, 5ijssto 5i. 



[8. Oleum lini. Linseed oil. In the United States linseed oil 

 is more commonly used as a cathartic for horses and cattle than 

 castor oil. Dose same as castor oil.] 



9. Oleum tiglii. Croton oil. The most powerful drastic 

 cathartic for the horse; other drugs are more desirable; contrain- 

 dicated in all cases of intestinal inflammation and for weak and 

 sensitive animals. Dose for horses, 0.6-1.5, tujx to xx; cattle, 1-2^ 

 vmxv to xxx; dogs, 0.07-0.12, iruj to ij. 



