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News Release 07-123

Nutrient Pollution Drives Frog Deformities by Ramping Up Infections

Environmental causes of frog deformities finally identified

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Frog leg deformity.

Farming nutrients drive parasitic infections that in turn cause frog leg deformity.

Credit: Courtesy Pieter Johnson, University of Colorado at Boulder


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Frog leg deformity.

Infectious parasites cause missing limbs, extra limbs and other malformations in frogs.

Credit: Courtesy Pieter Johnson, University of Colorado at Boulder


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frog leg deformity.

Environmental factors causing frog deformities were a mystery until this study.

Credit: Courtesy Pieter Johnson, University of Colorado at Boulder


Download the high-resolution JPG version of the image. (303 KB)

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