
Table 2. Speed with which sub-acute dosages 
of insecticides produced mortality 
among quail. 
Number of days tos © 
Percent First 25 percent 50 percent 75 percent 100 percent 
Insecticide in diet mortality mortality mortality mortality mortality 
Chlordane O.1 (1) «6 7 8 m= SG 
0.08 (2) 5 6 7 8 
Toxaphene 0.1 8 (1) ~ 10 i Ala § 13 
0.05 11 (2) 15 19 25 af: 
DDT O.1 3 (2) 4 in 5 9 
0.05 7 (1) ~ 2 al we os 
Benzene O.1 17-0) 22 29 31 _ 
hexachloride 
0.05 33 (1) =“ -= -- a 
Methoxychlor O.1 —— -~ — — bets 
0.05 6 (1) ee == — oe 
TDE (Rothane) 0.1 me = - en Je 
oi = _ sss e 
Parathion 0.025 7 (1) 15 17 18 ae 
0.0125 13 (1) 23 35 -- — 
Check — -- -— ~~ mien = 
(Untreated) 
%# Figures in parentheses are the number of birds dying on 
the first day on which mortality was recorded. 
