Residues of Gardona® in the Body Tissues and Eggs of Laying Hens Exposed to Treated Litter and Dust Boxes for Control of External Arthropod Parasites1,2

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Gardona® (2-chloro-l- (2,4,5-trichlorophenyl) vinyl dimethyl phosphate) placed in dust-bath boxes and in floor litter in chicken houses for 4 weeks produced maximum residues of 0.058 ppm in the back skin and 0.048 ppm in the body fat of chickens. Also, 6 samples of egg white contained residues ranging from 0.003 to 0.022 ppm, and 1 sample of egg yolk had a residue of 0.003 ppm. No residues were detectable in eggs or tissues the 2nd week after the insecticide was removed from the houses. Gardona, as used, had no apparent ill effect on the birds.

Document Type: Research Article

Publication date: October 1, 1969

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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