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Brief Communications
Nature 419, 895-896 (31 October 2002) | doi:10.1038/419895a
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Dermapathologist
- Indiana University School of Medicine
- Indiana, USA
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Herbicides: Feminization of male frogs in the wild
Tyrone Hayes, Kelly Haston, Mable Tsui, Anhthu Hoang, Cathryn Haeffele & Aaron Vonk
Abstract
Water-borne herbicide threatens amphibian populations in parts of the United States.
Abstract
Atrazine is the most commonly used herbicide in the United States and probably in the world1. Here we investigate the effects of exposure to water-borne atrazine contamination on wild leopard frogs (Rana pipiens) in different regions of the United States and find that 10–92% of males show gonadal abnormalities such as retarded development and hermaphroditism. These results are supported by laboratory observations, which together highlight concerns over the biological effects of environmental atrazine on amphibians.
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