974 



SWINE AND THEIR DISEASES. 



Sulphur $ 08. 



Nitrate of potash (saltpeter) 1 dr. 



Use kerosene to destroy the insects on 

 the wood-work of pens and on the rubbing 

 places, or quick-lime slaked with carbolic 

 acid (1 part to 100 parts of water). 



measi.es. 



This disease has been attributed to 

 feeding on acorns, to contagion, and to 

 hereditary and various, other causes. The 

 only true cause, however, is the introduc- 

 tion of the eggs of the taenia solium, or 

 tape-worm' found in man, into the intestines 

 of the pig. 



The Solitary Tape-worm {tanifi solium) 

 is a marvelous association of mothers and 

 daughters, which are developed and vege- 

 tate in a peaceable community. Each seg- 

 ment is a complete being, inclosing within 

 itself an entire and very complicated ap- 

 paratus for the production, of eggs. 



Fig. 1303 shows detached segments, or 

 different parts of the body of the tape-worm. 

 The entire worm is two or three yards long. 

 Each taenia has an average lifetime of two 

 years. It produces in that time 1,600 

 joints, or segments, and each of these con- 

 tains 53,00,0 eggs, making in all 85,000,000. 

 Fortunately the great majority of these 

 joints are destroyed. Were they not, 

 every pig would be measly, and every man, woman, and child would 

 suffer from tape-worm. 



Fig. 1304 shows the sexual cloaca Of a segment, communicating 

 by a long vagina with the uterus filled with eggs, and forming the 

 black central mass; the second canal which goes from the cloaca 

 toward the uterus is the male organ. These segments of the taenia 

 are nothing else than the tape-worm in all its sexual maturity. 

 t They are still , living and wriggling at the moment of their evacua- 

 tion from the human body, or else they are dead and dried. In 

 either case, tMey are full of eggs, each of which is surrounded by 

 membranes and shells which protect it from harm. If one of these 



Fig. 1303.— Taenia Solium (Tape- 

 worm of Mm)— Natural size. 



