Adverse effects on sexual development in rat offspring after low dose exposure to a mixture of endocrine disrupting pesticides

Publication: Research - peer-reviewConference article – Annual report year: 2012

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The present study investigated whether a mixture of low doses of five environmentally relevant endocrine disrupting pesticides, epoxiconazole, mancozeb, prochloraz, tebuconazole and procymidone, would cause adverse developmental toxicity effects in rats. In rat dams, a significant increase in gestation length was seen, while in male offspring increased nipple retention and increased incidence and severity of genital malformations were observed. Severe mixture effects on gestation length, nipple retention and genital malformations were seen at dose levels where the individual pesticides caused no or smaller effects when given alone. Generally, the mixture effect predictions based on dose-additivity were in good agreement with the observed effects. The results indicate that there is a need for modification of risk assessment procedures for pesticides, in order to take account of the mixture effects and cumulative intake, because of the potentially serious impact of mixed exposure on development and reproduction in humans.
Original languageEnglish
JournalReproductive Toxicology
Publication date2012
Volume34
Issue2
Pages261-274
ISSN0890-6238
DOIs
StatePublished

Conference

Conference40th Annual Conference of the European Teratology Society
Number40
CountryAustria
CityLinz
Period02/09/1205/09/12
Internet addresshttp://www.etsoc.com/annual_meetings
CitationsWeb of Science® Times Cited: 13

Keywords

  • Epoxiconazole, Mancozeb, Prochloraz, Tebuconazole, Procymidone, Rat, Mixture, Developmental, Endocrine disrupter, Nipple retention
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