DISEASES OF HORSES AND CATTLE. 107 



thereby carry on the circulation. Unless in cases 

 of great emergency it should never be done. 



Phlebitis (Inflammation of a Vein) — It is seldom 

 that we see a case of this disease nowadays, as 

 there are so few horses bled; but it may take place 

 without any apparent cause. Usually it is caused 

 by an injury. A vein may be injured and a little 

 blood from it may get into its sheath or the sur- 

 rounding tissues and set up inflammation of the 

 vein and the tissue around it. 



Treatment : Bathe the part with cold water and 

 apply acetate of lead, one ounce; tincture of ar- 

 nica, two ounces; water, one quart. Use this free- 

 ly and often. If the inflammation does not seem 

 to be easily removed, put on a blister of canthar- 

 ides, two drams ; lard, one ounce ; repeat in a week 

 if necessary. Give nitrate of potassium in half- 

 ounce doses, three times a day for a few days, to 

 keep down fever. If the bowels are constipated, 

 give a dose of aloes. Varicose veins are sometimes 

 seen about the legs of horses; and it is seldom they 

 do any harm ; but if they are developing, even pres- 

 sure may be applied by means of pads and band- 

 ages, and a stringent lotion made of tannin, one 

 ounce; water, one quart. Apply while using the 

 bandage. If the walls become thin and the vessel 

 bursts, keep the animal quiet and apply the tinc- 

 ture of iron and bandage as above. 



Purpura Hemorrhagica is an exudation of 

 blood through the walls of the blood vessels, the 

 result of debilitating disease, such as strangles, in- 

 fluenza, etc. It may be caused from a deranged 



