Summary
The herbicide 2,4,5-trichlorophenoxyacetic acid (2,4,5-T) containing 0.05 ppm of tetrachlorodibenzo-p-dioxin, was administered to pregnant rhesus monkeys daily from Day 22 through Day 38 of gestation. At the dose levels administered, 0.05 mg/kg, 1 mg/kg, and 10 mg/kg, no evidence of toxicity was seen in the mother and no evidence of teratogenicity was seen in any of the offspring. Observations of the infants for 1 year following birth indicated that there was no toxicity due to the 2,4,5-T.
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Supported by the C. H. Boehringer Sohn, Ingelheim/Rh, Germany; and Dow Chemical U.S.A., Midland, Michigan 48640
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Dougherty, W.J., Herbst, M. & Coulston, F. The non-teratogenicity of 2,4,5-trichlorophenoxyacetic acid in the rhesus monkey (macaca mulatta). Bull. Environ. Contam. Toxicol. 13, 477–482 (1975). https://doi.org/10.1007/BF01721855
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DOI: https://doi.org/10.1007/BF01721855