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Richer parasite diversity leads to healthier frogs, says University of Colorado study
Date:5/21/2012

lation they were being caused by factors like pollution, increased ultraviolet radiation or parasitic infection.

A 2008 study by Johnson showed American toads who pal around with gray tree frogs reduce their chances of parasitic infections known to cause limb malformations because trematode larva that infect tree frog tadpoles are killed by the tadpoles' immune systems. In 2007, Johnson led a study showing high levels of nutrients like nitrogen and phosphorus used in North American farming and ranching activities fuel trematode infections by elevating the abundance and reproduction of snail species that host the parasites.


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Contact: Pieter Johnson
pieter.johnson@colorado.edu
303-492-5623
University of Colorado at Boulder
Source:Eurekalert  

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