May 17,1924 
Immunology of Bovine Infectious Abortion 
627 
Table V.— Detailed records of individual experimental animals — Continued 
VACCINATED HEIFER NO. 418 
Serological results 
Date 
0.04 0.02 0.01 0.005 0.002 0.001 
Feb. 28,1917 
Mar. 7,1917 
Mar. 21,1917 
Apr. 
Apr. 
May 
May 
June 
June 
June 
July 
July 
Aug. 
Aug. 
Sept. 
Sept. 
Oct. 
Oct. 
Nov. 
Nov. 
Nov. 
Dec. 
Jan. 
Jan. 
Feb. 
5,1917 
21.1917 
5.1917 
17.1917 
1.1917 
16.1917 
29.1917 
13.1917 
27.1917 
11.1917 
26.1917 
7.1917 
21.1917 
4.1917 
18.1917 
1.1917 
14.1917 
28.1917 
13.1917 
4.1918 
18.1918 
2.1918 
Feb. 
Mar. 
Mar. 
Mar. 
Apr. 
Apr. 
May 
May 
June 
June 
July. 
July. 
Aug. 
Aug. 
Aug. 
Sept. 
Sept. 
Oct. 
Oct. 
Nov. 
Nov. 
Dec. 
Dec. 
Jan. 
Jan. 
Feb. 
Feb. 
Mar. 
Mar. 
Apr. 
Apr. 
May 
16,1918 
1.1918 
16.1918 
30.1918 
13.1918 
29.1918 
10.1918 
25.1918 
8.1918 
21.1918 
6.1918 
19.1918 
1.1918 
16.1918 
30.1918 
14.1918 
28.1918 
12.1918 
25.1918 
8.1918 
22.1918 
6.1918 
20.1918 
6.1919 
22.1919 
7.1919 
21.1919 
7.1919 
21.1919 
4.1919 
19.1919 
3.1919 
Agglutination 
0.04 0.02 0.01 0.005 0.002 
Complement fixation 
Remarks 
Mar. 2, 1917, subcutaneous admin¬ 
istration 20 cc. abortion vaccine. 
Mar. 23,1917, subcutaneous admin¬ 
istration 20 cc. abortion vaccine. 
May 3,1917, bred. 
Feb. 5, 1918, expelled a living calf. 
Three guinea pigs inoculated with 
an emulsion of placenta. One pig 
died four days later. Two pigs 
which were slaughtered Mar. 13, 
1918, gave negative agglutination 
reactions and negative cultural 
results for Bact. abortus . 
July 25,1918, bred. 
Aug. 20, 1918, received 25 cc. fetal 
stomach contents (case 70). 
May 5, 1919, expelled a living calf. 
Four guinea pigs inoculated with 
uterine material. When destroy¬ 
ed June 13,1919, all gave negative 
agglutination reactions and nega¬ 
tive cultural results for Bact, 
abortus. 
