Diseases Affecting the Skin 233 



termed " a clean sweep " of the disease, i.e., dress 

 the animal from head to foot, there being no necessity 

 to clip in the case of hounds, only, whatever the dress- 

 ing used, it must be rubbed thoroughly well into the 

 skin, and every inch of the body surface gone over. 

 The dressing ought to be repeated twice a week, the 

 bedding changed daily, and all sources of infec- 

 tion, such as benches, rubbing-posts, feeding-vessels, 

 scalded every day, and then washed with a disin- 

 fectant solution. Most cases of sarcoptic mange 

 are greatly benefited by giving the dog a bath of 

 sulphuretted potash, say twice a week. For this 

 purpose dissolve half an ounce of the potash in each 

 gallon of water used. The best plan is to dissolve 

 the amount of potash required in a quart of boiling 

 water, and then add water to make it the proper 

 strength. Even when there is only one or two 

 patches of mange on the body the baths recom- 

 mended will do a lot of good, and besides have the 

 advantage of being destructive to fleas and other 

 pests of the skin. A very useful mange dressing is 

 composed as follows : 



Oil of tar 2 ozs. 



Creosote . . . . . i oz. 



Mix and then add whale, rape, colza, linseed, train 



or other cheap oil to make to the extent of a pint, 



and subsequently adding an ounce of bicarbonate 



of potash, dissolved in four ounces of water, so 



