84 DISEASES OF THE DOMESTIC ANIMALS 



In the first stage of eczema of the heels, with erythema, zinc 

 oxide ointment is of benefit, or white lotion (3 drams each of lead 

 acetate and zinc sulphate to a pint of water). This should be 

 shaken well when applied. The pink ointment is also excellent, as 

 follows : 



Zinci carbonatis (impure) Sii 



Alumenis 3iss 



Calcii carb. praecip. 3x 



Creasoti 



Cerae flavae aa 5iss 



Adipis Sxv 



M. 



Melt lard and wax and add the other ingredients. 



In the later stages, with much discharge the hair should be 

 cut and the parts should be cleansed with soap and water and 2 

 per cent, lysol solution and a stimulating antiseptic application 

 made. This consists of balsam of Peru in the pure state kept in 

 place by dry wool dressing and bandaging. The powder of iodo- 

 form and tannic acid (1-3) is also useful. Exuberant granulation 

 or proliferation of the papillae (grapes) must be treated surgically 

 by lunar caustic, or, better, by the white-hot firing iron, knife or 

 scissors. The parts are then dressed with gauze saturated with 5 

 per cent, creolin solution, and later with balsam of Peru. 



In Cattle. — In cattle there is an acute and chronic form ob- 

 served. The acute form attacks the legs chiefly with symptoms of 

 general dulness and loss of appetite, followed by swelling, stiffness 

 and elevated points of hair over the legs. The exudative stage is 

 shown by matting of the hair, scabs, loss of hair and fissures, with 

 often infection of the skin. A chronic form is also seen attacking 

 various parts of the body, causing loss of hair in patches and ex- 

 hibited by papules, minute vesicles, crusts and branny scales. Oc- 

 casionally a form involving the hair follicles and starting with loss 

 of hair in patches may lead to total alopecia, the skin being covered 

 with thick crusts but not thickened. Finally, there is that pe- 



Digitized by Microsoft® 



