TABLE 3.--A summary of the minimum toxic and maximum non-toxic doses of insecticides 
applied as sprays or dips to livestock as determined at Kerrville, Tex. 
Maximum Minimum 
Chemical i non-toxic toxic dose 
dose tested found 
CHLORINATED HYDROCARBONS* 
Percent Percent 
Aldrin Calves 1-2 weeks ohal O25 
Lambs 3 weeks --- 4.0 
Kids 3 weeks --- 4.0 
Benzene hexachloride, expressed Calves 1-2 weeks 025 -05 
as gamma isomer Calves 6-8 months pal --- 
(Normal animals, not emaciated Cattle adult jal “25 
or lactating ) Lambs 3 weeks EO --- 
Sheep adult a0 --- 
Pigs 3 months 0 --- 
Horses adult sald) --- 
Chlordane Calves 1-2 weeks sO 2.0 
(Normal animals) Cattle adult Zao --- 
Lambs 3 weeks ©) 2.0 
Sheep adult S10 4.0 
Goats adult 3.0 4.0 
Horses adult IAS) --- 
Dieldrin Calves 1-2 weeks Bull 2D 
Cattle adult 1.0 2.0 
Lambs 2 weeks 2AO) 330 
Sheep adult --- 4.0 
Goats adult --- 4.0 
Pigs 8 weeks 4.0 --- 
Horses adult alt) --- 
Heptachlor Calves 1-2 weeks “22 oD) 
Cattle adult 52) --- 
Lambs 3 weeks 4.0 --- 
Toxaphene Calves 1-2 weeks 6) a1) 
Cattle adult AsO 4.0 
Lambs 6 weeks 4.0 --- 
Sheep adult 13) 4.0 
Kids 6 weeks 4.0 --- 
Goats adult 155 4.0 
Hogs adult 4.0 --- 
Horses adult 52) --- 
ORGANIC PHOSPHORUS COMPOUNDS 
Bayer 21/199(Co-Ral ) Calves 1-2 weeks AD BS) 
Cattle adult ISO 2.0 
Sheep adult we) 52) 
Goats adult ie) 52 
Horses adult Al5@ --- 
Diazinon Calves 1-2 weeks 103 nal 
Cattle adult Ail --- 
142 
