20 Nebraska Agricultural Exp. Station , Research Bui. 21 
Table 36. 
Length of surviving periods of animals which died on account 
of virus infections on the day following serum treatment. 
Approximate averages of surviving periods by hours 
and doses. 
Serum 
No. 
15 c.c. 
10 
c.c. 
5 c.c. 
2.5 c.c. 
All doses 
jNo.of 
Sur- 
No.of 
Sur- 
No.of 
Sur- ; 
No.of 
Sur- 
No.of 
Sur- 
rab- 
viving 
rab- 
viving 
rab- 
viving 
rab- 
viving 
rab- 
viving 
bits 
periods 
bits 
periods 
bits 
periods 
bits 
periods 
bits 
periods 
1053 




1 
72 


1 
72 
1433 
3 
168 
2 
120 
3 1 
152 
— 
— j 
8 
150 
1436 
2 
216 
1 
96 
2 
144 
— 
— 
5 
163.2 
1945 
3 
24 
3 
24 
2 1 
36 
— 
— 
8 
27 
1946 
1 
240 
— 
— 
— 
— 
— 
— 
1 
240 
Totals 
and av’gs 
9 
138.6 
6 
68 
8 
111 i 
— 
23 
110.6 
Normal 
1053 
3 
72 
3 
72 
3 
64 
3 
104 
12 
69.6 
