The Metabolism of p32-Labeled Shell SD-4294 in a Lactating Ewe1

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A study was made of the absorption, elimination, and metabolism of orally administered P32labeled Shell SD-4294(CiodrinĀ®), alpha-methylhenzyl 3-hydroxycrotonate dimethyl phosphate, in a lactating ewe. The pack radioactivity in both the blood and urine occurred at 6 hours, which indicated a moderate rate of absorption but rather rapid elimination. Some 61 to 90% of the radioactivity in the urine was dimethyl phosphoric acid; the other metabolites occurred only in small quantities. The ratio of alpha to beta isomer ill the blood was similar to that in the original sample of SD-4294,whereas the very small residues in the milk consisted of beta isomer only.

Document Type: Research Article

Publication date: February 1, 1964

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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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