Amphibians hit two ways by farm chemicals

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Amphibians hit two ways by farm chemicals

The search for what's causing widespread deformities in amphibians has drummed up several suspects, including agricultural chemicals and parasitic flatworms. Now a study that combines field surveys and aquarium experiments bolsters the idea that a widely used herbicide conspires with the parasites to harm frogs. According to the new study, the herbicide atrazine not only weakens the frogs' immune system, but it also provides a nutritional boost to the ecosystem that leads to more parasites.


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