400: 



DISEASES OF THE FEET. 



the sensitive parts become exposed; or if pastured on moor- 

 lands, or soft parks, the wall grows too long, the sole, changed 

 by moisture, affords but an imperfect protection to the sensitive 

 structure within, permits the penetration of dirt, and occasion- 

 ally, as stated by Professor Dick, the toe of one or both claws may 

 bend upon the sole, and thus become a source of pain and infiam- 

 mation. Fungoid growths appear on the exposed surfaces, the 

 lameness increases, and there is loss of condition, as in the ether 

 form of the disease. 



Fig. 77. — Confirmed stage of the first form of foot-rot. 



The second and by far more common form of foot-rot is ex- 

 pressed by inflammation and swelling of the inter-digital tissues, 

 with at first but little visible alteration in the condition of the horny 



Fig. 78 shows the condition of internal wall of 

 digit in an early stage of the disease. 



sole, but the inflamed inter-digital structures soon suppurate, and 

 discharge a foetid ichorous fluid, which burrows under the horn of 



