VENTILATION. 231 



Cause. A bad habit of the body and blood ; poor feeding, 

 and debility. 



Treatment Apply powdered blue stone to the ulcer, to 

 eat off the unhealthy surface. Then apply a poultice for 

 the night, made of any soft, moist material — say boiled 

 turnips, carrots, or bran and flaxseed meal, made with a 

 little warm water. The face of the poultice should be 

 covered with powdered charcoal or brewer's yeast. Con- 

 tinue the treatment with an occasional poultice, and the 

 solution of blue stone. 



Feed the horse well, and give half-ounce doses of the 

 sulphite of soda, once a day, to purify and enrich the blood. 



(3.) Irritable Ulcer. — Example : Sores on the past- 

 ern-joint irritated by the flies, heat and sweat of summer. 



Symptoms. Cannot be touched Avithout they bleetl; 

 angry-looking, and very sore; highly inflamed, and ex- 

 tremely vascular. 



Treatment. Difficult to cure during warm weather, but 

 easily healed in moderate weather, when there are few or 

 no flies. 



Dress the sore with oil of olives, one ounce ; creosote, 

 half an ounce ; oil of turpentine, half an ounce ; mix, and 

 apply to the sore with a piece of soft cloth, once a day. 

 Do not let any of the mixture run down on the hair, which 

 will, if so treated, fall off. 



Urinary Calculi. — (See Stone In the Bladder.) 

 Urine, Bloody. — (See Hoematuria.) 



Varicose. — The enlarged vein on the hock-joint, caused 

 by bog and blood spavin. (See Spavins and Tumors.) 



Venesection. — Bleeding by opening a vein. 



Ventilation. — Few persons are aware of tlie vast 



