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Laboratory evaluation on the effectiveness of a new acute rodenticide pyriminyl to albino rats and mice



Laboratory evaluation on the effectiveness of a new acute rodenticide pyriminyl to albino rats and mice



Medical Entomology and Zoology 28(4): 349-354



The effectiveness of a new acute rodenticide, Pyriminyl (RH-787) to rats and mice [Rattus norvegicus, Mus musculus] was investigated. The LD50 values of technical grade were 24.4-26 mg/kg in male rats, 12.2-27.9 mg/kg in female rats, 68.8-90 mg/kg in male mice, and 56-68 mg/kg in female mice. These values resemble closely that of thallium sulfate and zinc phosphide which are being used at present. Using only 2% baits, all mice died in 1 day, and all rats died within 5 days. In choice tests between 2% baits and rolled barley, no acceptance difference was observed in mice, but rats showed low acceptance to poison baits. Using 1% powdered baits and powdered non-poison baits, no avoidance to poison baits was observed on rats, and all died within 2 days. Pyriminyl may be a promising acute rodenticide.

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Accession: 005787865

Download citation: RISBibTeXText

DOI: 10.7601/mez.28.349


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