166 THE DISEASES OF THE HORSE. 



eruption or inflammation, and attacking both horses and 

 dogs. 



Remedy. — Where blood contamination is suspected, 

 correct with general or special restoratives. For parasites 

 rub in sulphur or sulphur iodide ointments, mercury ole- 

 ate, carbolic or tar oils, stavesacre, or corrosive sublimate 

 solutions. When resulting from sun heat, put in shade 

 and wash with potassium bicarbonate ; after which moisten 

 spots with 2 parts glycerine, 1 each of sugar of lead and 

 laudanum, 60 of water. Abate sensibility with hydrocy- 

 anic acid, potassium cyanide, or chloroform, alternated 

 with alkaline washes. Purges, salines, careful diet when 

 associated with gastric derangement. Iron salts, oleagin- 

 ous food, alkalies, arsenic for debility. 



GREASE (ERYSIPELATOUS IMPETIGO), 



Is a disease of the cutaneous glands. The parts usually 

 affected are the heels, especially the hind heels, where an 

 unusual quantity of oily or lubricating substance is secre- 

 ted. It is peculiar to lymphatic and coarsely bred and 

 haired horses. It is caused by increased or perverted 

 secretion, cold, moisture, perspiration, filth, indigestion, 

 high feeding &c. 



Symptoms. — Swelling; oily dripping; hair matted; 

 soapy feel; bad odor; foot sensitive and stiff, but not 

 much lameness. Swelling, sensitiveness, and lameness in- 

 crease ; exercise relieves latter. 



Ulcerative stage : Disease extends half way up the leg, 

 swelling increasing; pussy crusts form. 



Grapy stage (described sometimes as a distinct disease) : 

 Grape-like clusters (also compared to coat of pine-apple) 

 form, growing vascular, red, and sensitive ; in chronic 

 stage become cartilaginous and even horny; skin hard 

 and thrice its natural thickness; most of the hair falls 

 off; fetid, bloody, discharges from between grapes; in- 

 creased swelling and lameness, 



