Contagion* lHseases and Their Suppression. 257 



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 tablespoonful to each hog: 



Charcoal 1 11). 



Sulphur 1 Hi. 



Common salt 2 His. 



Baking soda 2 His. 



Sulphate of soda 2 His. 



Hyposulphite of soda 2 His. 



Black antimony 1 11). 



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 

 the following symptoms: Inability to open the mouth as 

 wide as normal, the nose poked out, the head slightly 

 elevated, the tail may be raised, the animal is very stiff 

 in its movements; if the head is suddenly lifted or the 

 animal frightened the haw will be seen to fly over the 



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