112 



Journal of AgrictUtural Research 



Vol. XIII, No. 3 



Table V. — Results of Experiment IV on the infectiousness of blood, excreta, and 

 secretions of infected pigs — Continued 



MATERIALS COLLECTED AND INJECTED ON SEPTEMBER 26, 1917 (SEVENTH DAY) 



Material injected. 



10 c. c. of eye-swab dilution . 

 ....do 



10 c. c. of nose-swab dilution . 



....do 



< c. c. of urine 



...do 



20 c. c. of fecal suspension ... 

 ....do 



Result. 



Died October 8. Cholera lesions. 

 Killed in emaciated condition No- 

 vember 12. Cholera lesions. 

 Died October 13 . Cholera lesions. 



Do. 



Do. 



Do. 

 Died October 1 1 . Cholera lesions. 



Do. 



MATERIALS COLLECTED ON SEPTEMBER 24 (FIFTH DAY) AND INJECTED ON SEPTEMBER 

 25, I917 (held for 24 HOURS AT ROOM TEMPERATURE) 



10 c. c. of eye-swab dilution. 

 ....do 



10 c. c. of nose-swab dilution . 



....do 



5 c. c. of urine 



...do 



20 c. c. of fecal suspension . . . 

 ....do 



Died November 5. Cholera lesions. 

 Sickened October 19. Developed 



chronic hog cholera. 

 Died October 25. Cholera lesions. 

 Died November 3. Cholera lesions. 

 Died October 12. Cholera lesions. 



Do. 

 Died October 11. Cholera lesions. 



Do. 



MATERIALS COLLECTED ON SEPTEMBER 26 (sEVENTH DAy) AND INJECTED ON SEPTEM- 

 BER 27, I917 (held for 24 HOURS AT ROOM TEMPERATURE) 



10 c. c. of eye-swab dilution . . 



...do 



10 c. c. of nose-swab dilution . 



....do 



5 c. c. of urine 



....do 



20 c. c. of fecal suspension . 

 do 



Died October 17. Cholera lesions. 



Do. 

 Killed in emaciated condition No- 

 vember 12. Cholera lesions. 

 Sickened, but recovered. 

 Died October 19. Cholera lesions. 



Do. 

 Died October 14. Cholera lesions. 

 Developed chronic hog cholera. 



MATERIALS COLLECTED ON SEPTEMBER 26 (SEVENTH DAY) AND INJECTED ON SEP- 

 TEMBER 28, 1917 (held for 48 HOURS AT ROOM TEMPERATURE) 



10 c. c. of eye-swab dilution. 



....do 



10 c. c. of nose-swab dilution. 



....do 



5 c. c. of tuine 



....do 



20 c. c. of fecal suspension. . . 

 . . . .do 



Remained well. 



Do. 



Do. 



Do. 

 Died October 16. 



Do. 



Do. 

 Died October 15. 



Cholera lesions. 



Cholera lesions. 



n These pigs were subsequently exposed to hog cholera by virus injections to test their immunity and 

 all developed cholera except pigs Nos. 803 and 804, which remained well and probably possessed consider- 

 able natural immunity. 



