Rat control
1941
Decker, G. C. (George Clemens) | Gunderson, H. | Barre, H. J. (Henry J.)
"For permanent rat control, make all buildings rat proof. For temporary control, use either red squill or barium carbonate in meat, cereal fruit or vegetable baits. Supplement baiting with trapping and with fumigation using either calcium cyanide or car exhaust gas. Observe proper precautions in handling, storage and use of poisons."--P, [108].
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