A device to destroy parasites in birds of corral (Machine-translation by Google Translate, not legally binding)

摘要

Device for destroying parasites in poultry comprising a hollow box containing a substance or mixture of insecticidal substances, which, when heated by a bird in contact with the device, generate an insecticidal vapor that is discharged from the box through from an opening in the latter, in which the opening is closed prior to use of the device by a breakable diaphragm to prevent escape of the vapor, whose diaphragm is adapted to be bored to allow discharge of the vapor when the device is put into use . (Machine-translation by Google Translate, not legally binding)