Effects of Environmentally Relevant Concentrations of Poultry Litter Associated Contaminates on the Sexual Development of Xenopus laevis

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dc.contributor.authorChen, Amy X.
dc.contributor.authorGonzales, Alma C.
dc.contributor.authorHu, David
dc.contributor.authorKalsi, Richa
dc.contributor.authorKapoor, Tanya S.
dc.contributor.authorPark, Hae Min
dc.contributor.authorPark, Samuel C.
dc.contributor.authorProctor, Alexander M.
dc.contributor.authorRidgway, Alexander K.
dc.contributor.authorTaverner, Andrew M.
dc.contributor.authorVujcic, Nikola B.
dc.date.accessioned2013-05-01T18:59:40Z
dc.date.available2013-05-01T18:59:40Z
dc.date.issued2013
dc.description.abstractPoultry litter contains high levels of natural sex hormones, nitrogen, phosphorous, and trace amounts of heavy metals. Poultry litter runoff from poultry and farming operations in the Delmarva region can have serious impacts on frog development in the Chesapeake Bay Watershed. In this study, we investigated potential effects of litter compounds on Xenopus laevis development when exposed to environmental levels (0.35 and 0.70 g/L) of litter solution. We found that despite rapid hormone degradation, poultry litter solution still affected X. laevis development. Hormones were also more persistent in the lower poultry litter concentration, leading to even greater effects. Slowed growth and increased female gonadal abnormalities were observed after exposure to 0.35 g/L but not to 0.70 g/L of litter solution, and increased male gonadal abnormalities were observed after treatment to both litter concentrations. The developmental impacts examined in this study may have greater environmental impacts on frog reproduction and survival.en_US
dc.identifier.urihttp://hdl.handle.net/1903/13882
dc.language.isoen_USen_US
dc.relation.isAvailableAtDigital Repository at the University of Maryland
dc.relation.isAvailableAtGemstone Program, University of Maryland (College Park, Md)
dc.subjectGemstone Team KERMITen_US
dc.subjectpoultryen_US
dc.subjectXENOPUS LAEVISen_US
dc.subjectCONTAMINATESen_US
dc.titleEffects of Environmentally Relevant Concentrations of Poultry Litter Associated Contaminates on the Sexual Development of Xenopus laevisen_US
dc.typeThesisen_US

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