296 DISEASES OF THE DOMESTIC ANIMALS 



described. Where this is done the animals may be driven through 

 a five per cent, solution of cresol or other sheep dip in a shallow 

 trough thrice weekly, so that the diseased parts will come in con- 

 tact with the solution. 



This treatment is particularly applicable to the leg and foot 

 cases. The severe cases and those resistant to baths should receive 

 hand treatment. The necrotic tissue must be curetted away and 

 dead horn about the hoof removed and fistulous tracts drained. 



In ulceration of the penis in bucks, the penis must be forced 

 out of the sheath and the ulcerated areas stimulated by a careful 

 application of the nitric acid or zinc chloride solution, and the 

 whole surface swabbed with a one per cent, lysol, cresol, or creolin 

 solution, or a 1-500 permanganate of potassium solution. This 

 should be done daily. Extensive ulceration of the penis or inner 

 surface of the sheath generally demands destruction of the patient. 



Ulceration of the sheath is cared for by removal of wool and 

 the application of the milder antiseptic washes thrice a week and 

 occasional stimulation with the nitric acid or zinc chloride solutions. 

 Vaginal and vulval lesions are treated the same as the sheath in 

 the male. 



In the case of the warty lips seen in this disease, especially 

 in lambs, the application every other day of an ointment containing 

 5 per cent, of cresol or creolin, or 1 part of creosote in 50 parts 

 of linseed oil, is very effectual. The use of antiseptics internally is 

 said to be of benefit. Thus one tablespoonful of the creosote and 

 linseed oil mixture twice a day to lambs, or a mixture of sulphur 

 and salt, 1 to 12, may be fed to sheep. Ulcerating lesions in the 

 mouth of lambs may be swabbed daily with saturated boric acid 

 solution, or 2 per cent, potassium chlorate solution. 



Before diseased sheep are returned to the pasture, after 

 recovery, they should receive a complete dipping in one of the 

 recognized and efficient sheep dips of cresol or coal tar. 



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