Comparison of Sedimentation and Stripping Characteristics of Two Formulations of Coumaphos in Cattle Dipping Vats

Authors: Ahrens, Elmer H.; Davey, Ronald B.; George, John E.; Pembertons, John R.

Source: Journal of Economic Entomology, Volume 75, Number 4, August 1982 , pp. 665-667(3)

Publisher: Entomological Society of America

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Two formulations of coumaphos were tested in cattle dipping vats for sedimentation and stripping characteristics. Whereas virtually all coumaphos in a nowable liquid formulation was in homogeneous suspension even after 17days, 72% of the coumaphos in a wet table powder formulation had settled from the top and middle layerswithin24 h post dip. On the basis of concentrations of coumaphos in the vats, stripping was not apparent in either formulation after the dipping of more than 3,000 cattle.

Document Type: Research Article

Publication date: August 1, 1982

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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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