Abstract
THE protection afforded to sheep against blowfly strike by the new synthetic chlorinated hydrocarbon insecticides applied to the fleece has been shown to be the result of two different actions. Insectary tests have demonstrated distinct repellent effect and the prevention of oviposition in the case of gravid female flies, whereas implantations of first instar larvæ, according to the method of McLeod (1937), have indicated the larvicidal role.
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FIEDLER, O., DU TOIT, R. A New Biological Method for Evaluating the Efficiency of Insecticides for the Protection of Sheep against Blowfly Strike. Nature 168, 608–609 (1951). https://doi.org/10.1038/168608b0
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DOI: https://doi.org/10.1038/168608b0
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