Death Among Swill-Fed Hogs. 79 



July 14. Quantity of soap reduced to one ounce. 



July 16. Pigs very sick. Eat very little, heads jerk constantly, 



limbs tremble, temperature 103.5, '*^4j i^j-^^ F. 

 July 18. Pig No. 7 dies suddenly to-day. Others still sick. No. 8 

 V has much difficulty in standing. Lies with feet extended. 



Legs and head are constantly jerking. No. 9 has diar- 

 rhoea, eats little, but otherwise appears to be well. 

 July 19. Pig No. 8 found dead tliis morning. No. 9 seems to be 



better. 

 July 20. Pig No. 9 eats heartily. Appears to be quite well. 



Three other pigs, Nos. 10, 1 1 and 12, from the same lot were placed 

 in pen No. 3 with pig No. 9. They were given half an ounce of soap 

 C thoroughly mixed with their food twice daily. 

 July 25. Pigs apparently well. 



Pigs apparently well. 



Pigs apparently well. The quantity of soap increased to 



four ounces at each feeding. 



Pig No. 10 sick. 



Pigs all sick, refuse food. They ate sparingly of some 



corn given them. 



No appreciable change. 



Pig No. 10 very sick. The muscles of the head and legs 



constantly jerking. Eats very little of the regular food, but 



partakes sparingly of corn. 



No change. 

 Aug. 27. Pigs very sick, have refused food containing soap for two 



days. Eat sparingly of corn. Soap discontinued. 

 The pigs which recovered from the immediate effect of the soap 

 did not become thrifty for some weeks. It was late in September 

 before they began to show signs of growth. 



Post Mortem Examination. 



Pig No. 4. The skin over the ventral part of the body and between 

 the thighs of a pinkish color. Kidneys very pale. 

 Spleen normal. The blood vessels of the mesentery 

 much congested. The mesenteric glands enlarged and 

 cedematous. Many of them are congested. Areas of 

 the mucous membrane of the intestines, especially the 



