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Effect of nitrite on early-life stages of common carp (Cyprinus carpio L.)
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SYSNO ASEP 0341737 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of nitrite on early-life stages of common carp (Cyprinus carpio L.) Author(s) Kroupová, H. (CZ)
Prokeš, Miroslav (UBO-W) RID, SAI, SAI
Mácová, S. (CZ)
Peňáz, Milan (UBO-W) SAI, SAI
Baruš, Vlastimil (UBO-W) RID, SAI
Novotný, L. (CZ)
Máchová, J. (CZ)Number of authors 7 Source Title Environmental Toxicology and Chemistry - ISSN 0730-7268
Roč. 29, č. 3 (2010), s. 535-540Number of pages 6 s. Action International Workshop on Aquatic Toxicology and Biomonitoring /1./ Event date 27.08.2008-29.08.2008 VEvent location Vodňany Country CZ - Czech Republic Event type EUR Language eng - English Country US - United States Keywords Embryo–larval toxicity test ; Lowest-observed-effect concentration ; No-observed-effect concentration ; Early development ; Histopathology Subject RIV DN - Health Impact of the Environment Quality CEZ AV0Z60930519 - UBO-W (2005-2011) UT WOS 000275368600008 EID SCOPUS 77951108598 DOI 10.1002/etc.84 Annotation A one-month chronic exposure of common carp larvae and embryos to nitrite revealed significant differences in total accumulated mortality in fish exposed to 33, 67, and 330 mg/L NO2- compared with controls. At the highest concentration, all fish died within 8 d of exposure. Lethal concentrations of nitrite were estimated at 29dLC50=88 mg/L NO2-; LOEC=28 mg/L NO2-; and NOEC=7 mg/L NO2-. By day 12, fish exposed to 33 and 67 mg/L NO2- had significantly lower mass and total length compared with controls. No significant negative effects of nitrite at the concentrations tested (0.7-330 mg/L NO2-, at 10 mg/L Cl-) on hatching or embryo viability were demonstrated. Fish from all the concentrations showed a dose-related delay in development compared with the controls. Lordosis, kyphosis, scoliosis, body shortening, yolk sac and cardiac edema were observed at all concentrations and in controls. The incidence of these malformations was positively correlated with nitrite concentration. Workplace Institute of Vertebrate Biology Contact Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Year of Publishing 2011
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