34 PEINOIPLES OF VETEEINABY SUEGEBT 



lesions. Occasionally the conrso is chronic, with great emacia- 

 tion of the animal. Pysemia is a very dangerous disease, hut 

 less fatal than septicaemia. 



The period of reconvalescence is very prolonged. 



How do you treat pycE,mia ? 



Stop the progress of the disease by disinfection, not only 

 of the wound, hut, if possible, of the interior of the vein, 

 provide drainage, making long and deep incisions wherever 

 indicated. The internal treatment is of little use, but quinine, 

 camphor and strychnine are indicated. Of all agents, intra- 

 venous injections of Crede's soluble silver salt are likely to 

 give the best results. 



SPECIFIC TE,A.UMATIC INFECTIOUS DISEASES. 

 Malignant GBdema. 



Define malignant adema ? 



A traumatic infectious disease, due to the entrance of the 

 bacillus of malignant oedema and probably others into the 

 subcutaneous or submucous connective tissue. 



What hind of wounds are favorable to the development of the 

 (zdema hacillus f 



Punctured wounds permitting entrance of earth dust into 

 the subcutaneous or submucous connective tissues. Here the 

 oedema bacillus thrives, as the proper medium is present and 

 above all an absence of oxygen. Injury to the tongue or 

 oesophagus by foreign bodies, hypodermic injection impro- 

 perly made, operations with dirty instruments ( empiric 

 castrations). 



