PRICKS IN SHOEING AND PICKED-UP NAILS. 



381 



■early detected and appropriately treated, pricks in shoeing are 

 not dangerous, yet in some cases they lead to extensive 

 suppuration and loss of the hoof, or become infected, determine 

 the onset of tetanus, and thus prove often fatal. 



2. PicKED-up Nails. 



It not infrequently happens that nails and sharp bodies 

 accidentally penetrate the hoof, either through the horny sole or 

 ■frog, and, driven onwards by the weight of the animal's body, 



Fig. 354.— Hind-foot shod with surgical shoe for retaining dressings. 



Teach the sensitive sole, sensitive frog, plantar cushion, per- 

 forans tendon, navicular sheath, pedal bone or even the coffin 

 joint. 



The hind feet are perhaps more frequently affected than the 

 fore. The commonest points of perforation are the lateral 

 furrows of the frog, and, when weakened by excessive trim- 

 ming, the sole and frog. 



The symptoms are usually sudden pain and lameness. The 

 shoe should be removed and a thin slice taken off the sole and 

 frog when the point of entrance of the foreign body (or the 

 body itself), whether a nail, piece of glass, or other pointed 



