70 Drug Treatment of East Coast Fever of Cattle 
Experiment X [Calf 9). 
Treatment; Mercury salicylate, 1 % in 0-8 % NaCl solution given intravenously on 9 days 
in doses ranging from 4 to 20 c.c. 
Date Day 
1911 
8. XI. 1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
4. xn. 27 
Temp. 
°F. 
a.m. 
p.m. 
103 
102-4 
102-6 
103 
102-2 
101-4 
101-6 
101-6 
101-2 
101-4 
101-6 
101-6 
101-2 
101-2 
101-2 
101-4 
101-6 
101-6 
101-8 
102-4 
101-8 
104-4 
104-6 
105 
104-4 
104-4 
104-6 
104 
104-2 
105 
106-6 
106 
105-2 
105-8 
106-4 
104-2 
104-4 
104-6 
104-2 
104-6 
104-6 
104-6 
104-2 
105-8 
105-4 
105-2 
106-6 
106-4 
105-8 
103-2 
103-6 
97 
14 infected R. appendiculatus nymphs were placed on the calf 
8 infected R. appendiculatus adults (4 (J, 4 $) were placed on 
the calf 
Fever begins 
Koch’s “blue bodies” found in gland smear 
Treatment 
4 c.c. of 1 % salicylate of 
mercury intravenously 
6 c.c. ,, ,, 
M. 
Very few parasites found 
10 c.c. 
E. 
M. 
99 
99 
99 
99 
5 c.c. 
E. 
99 
99 
99 
99 
M. 
99 
99 
99 
99 
5 c.c. 
E. 
99 
99 
99 
99 
M. 
6-0% 
of r 
.b.c. infected 
10 c.c. 
E. 
6-2 
99 
99 
99 
M. 
8-4 
99 
99 
99 
— 
E. 
10-0 
99 
99 
99 
M. 
14-8 
99 
99 
99 
20 c.c. 
E. 
13-8 
99 
99 
99 
M. 
13-2 
99 
99 
99 
12 c.c. 
E. 
17-2 
99 
99 
99 
M. 
19-2 
99 
99 
99 
12 c.c. 
E. 
21-2 
99 
99 
99 
M. 
28-0 
99 
99 
99 
E. 
23-2 
99 
99 
99 
M. 
30-4 
99 
99 
99 
E. 
31-2 
99 
99 
99 
M. 
32-0 
99 
99 
99 
E. 
37-6 
99 
99 
99 
M. 
39-2 
99 
99 
99 
Calf killed when moribund at 2.30 p.m. 
5 > 5 > 
99 99 99 
99 99 99 
99 99 99 
99 99 99 
99 99 99 
99 99 99 
