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Reproduction disturbances of Brachionus calyciflorus (rotifer) for the screening of environmental endocrine disrupters.

Chemosphere 47, 1097-1101 (2002)
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Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
Rotifers and especially the Brachionus calyciflorus species have already shown advantages (e.g. good sensitivity, simplicity, ecological relevance, short generation time) for the chronic toxicity assessment of water pollutants. In this study, the B. calyciflorus three-day test was evaluated on ethinylestradiol, nonylphenol and testosterone for the determination of endocrine disrupting (reproductive) effects. Reproduction (intrinsic rate of population increase) and sex ratio (males/females and mictic females/amictic females) were explored and discussed as suitable endpoints. B. calyciflorus has shown a fair sensitivity to detect reproductive disrupting effects after exposure to ethinylestradiol, nonylphenol and testosterone. Population growth (intrinsic rate of population increase, r) and the ratio ovigerous females/non-ovigerous females are both suitable endpoints, whereas the occurrence of males was not frequent enough to be used as endpoint.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Endocrine disrupters; Brachionus; Ethinylestradiol; Nonylphenol; Testosterone
Language english
Publication Year 2002
HGF-reported in Year 0
ISSN (print) / ISBN 0045-6535
e-ISSN 1879-1298
Journal Chemosphere
Quellenangaben Volume: 47, Issue: 10, Pages: 1097-1101 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Kidlington, Oxford
Reviewing status Peer reviewed
Institute(s) Institute of Ecological Chemistry (IOEC)
PSP Element(s) G-505100-001
Erfassungsdatum 2002-08-05