Zaj dab neeg tseem ceeb
20 xyoo tom qab tus kab mob tuag taus, Milwaukee coj mus kuaj dej
Pib xyoo 2004, Milwaukee Water Works tau tshaj tawm txoj haujlwm hnyav los saib xyuas qhov kev hem thawj rau pej xeem kev noj qab haus huv tshiab: cov tshuaj tsis raug cai loj heev uas hu ua "cov kab mob tshwm sim," suav nrog cov tshuaj estrogen thiab testosterone, nplaim hluav taws, tshuaj tua kab, tshuaj tawg thiab tshuaj.
Qhov project nplooj
endocrine cuam tshuam hauv ib puag ncigCov kws tshawb fawb ntawm University of Wisconsin-Milwaukee tau pom tias cov tshuaj tsawg ntawm cov tshuaj sib xyaw ntawm cov tshuaj tua kab thiab cov yas yas tuaj yeem txo qis testosterone qib hauv fathead minnows.
Testosterone ua lub luag haujlwm tseem ceeb hauv txiv neej txoj kev noj qab haus huv, tswj txhua yam ntawm kev loj hlob ntawm cov ntaub so ntswg mus rau lub tsev pob txha thiab cov leeg.
Cov kws tshawb fawb tau nthuav tawm cov ntses rau kev sib xyaw ntawm linuron, tshuaj tua kab mob siv los tswj cov nyom thiab cov nroj tsuag, thiab DEHP, cov yas siv los ua cov khoom kho mob.
Cov tshuaj yog txhua tus paub tias muaj zog cuam tshuam ntawm testosterone ntawm qib siab. Tab sis tsawg dua tsis paub txog qhov cuam tshuam ntawm cov koob tshuaj tsawg thiab cov tshuaj sib xyaw ua ke, uas yog li cas tib neeg thiab tsiaj qus feem ntau raug pom.
Fathead minnows muaj nyob hauv Wisconsin cov dej, thiab muag hauv khw muag khoom noj. Lawv kuj yog hom tseem ceeb rau kev tshawb fawb txog tshuaj lom.
Rebecca Klaper, tus kws kho tsiaj nrog UW-Milwaukee's School of Freshwater Sciences tau hais tias "Ntses muab tus qauv zoo rau tib neeg biology," said Rebecca Klaper, ecologist nrog UW-Milwaukee's School of Freshwater Sciences uas tau sau txoj kev tshawb no. "Lawv tuaj yeem pab peb sim seb yuav muaj dab tsi tshwm sim thaum tib neeg tuaj ntsib nrog ib qho chaw."
Cov nonprofit Wisconsin Center rau Kev Tshawb Xyuas Xov Xwm (www.WisconsinWatch.org) koom tes nrog Wisconsin Cov Xov Xwm Zej Tsoom, Wisconsin Cov Xov Xwm Rau Pej Xeem, lwm cov xov xwm tshaj tawm thiab UW-Madison Tsev Kawm Ntawv Xov Xwm thiab Kev Sib Txuas Lus. Txhua yam haujlwm tsim, tshaj tawm, tshaj tawm lossis tshaj tawm los ntawm Lub Chaw tsis tas yuav cuam tshuam cov kev xav lossis kev xav ntawm UW-Madison lossis ib qho ntawm cov koom tes.
Rov luam tawm peb cov ntawv dawb, hauv online lossis luam tawm, raws li daim ntawv tso cai Creative Commons.
