Contagious Diseases and Their Suppression. 265 



Hogs affected droop and cough, lose their appetite and 

 flesh rapidly, are very weak, may show diarrhoea or 

 constipation with pink spots over the abdomen or thighs. 

 The bowels are often found to be ulcerated and the 

 lungs inflamed on post-mortem. Treatment so far has 

 not been successful, though numerous quack remedies 

 are advertised to cure the trouble; preventive inocula- 

 tion is not yet a success, the Bureau of Animal Industry 

 recommends the following mixture to be given in the 

 feed, one teaspoonful to each hog: 



Charcoal 1 Ib. 



Sulphur 1 Ib. 



Common salt 2 Ibs. 



Baking soda 2 Ibs. 



Sulphate of soda 2 Ibs. 



Hyposulphite of soda 2 Ibs. 



Black antimony 1 Ib. 



If the disease appears in a drove of hogs, separate the 

 sick from the well, and ship the latter to market; disin- 

 fect the pens thoroughly, using plenty of lime, destroy 

 all the bedding used with fire. Quarantine all new hogs 

 for fifteen days before placing with the drove; do not allow 

 persons from infected farms to go into the pig pens or 

 yards. 



Tetanus, or lockjaw, as it is commonly known, is more 

 common in cities than in the country; it might be de- 

 scribed as a state of continued contraction of voluntary 

 muscles (those under control of the will). This disease 

 is due to germs which usually get into the animal by a 

 wound, once in that wound these germs produce power- 

 ful poisons, the results of which are shown in animals by 



