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FAQ #39693

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What does the LD50 of a pesticide represent?

Last Updated: March 11, 2009


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The LD50 is the lethal dose of a pesticide that will kill half of a test animal population. Usually represents oral or dermal toxicity and is expressed as milligrams of toxicant per kilogram of body weight (mg/kg).

For more information on this subject, refer to Toxicity of Pesticides from Cornell University.

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