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Statements

Subject Item
n2:RIV%2F60076658%3A12520%2F14%3A43888105%21RIV15-MSM-12520___
rdf:type
n3:Vysledek skos:Concept
rdfs:seeAlso
http://www.nel.edu/archive_issues/o/35_s2/35_s2_Velisek_93-98.pdf
dcterms:description
OBJECTIVES: The aim of this study is to assess the toxicity of prometryne in early life stages of marbled crayfish (Procambarus fallax f. virginalis) on the basis of mortality, early ontogeny, growth rate, and histopathology during and at the end of the test. DESIGN: The early life stages of marbled crayfish were exposed to prometryne at four concentrations, 0.51, (reported concentration in Czech rivers), 144, 1 440, and 4 320 mýg.l-1 for 53 days and compared to crayfish in a non-treated control group. RESULTS: Prometryne in concentration 144, 1 444 and 4 320 mýg.l-1 caused decrease of weight and specific growth rates of crayfish. Crayfish exposed the highest concentration 4 320 mýg.l-1 showed delay in ontogeny development. All crayfish groups exposed to prometryne showed histopathological changes in gill. On the basis of histopathological changes the values of LOEC=0.51 mýg.l-1 and NOEC=for 0.10 mýg.l-1 of prometryne for marbled crayfish juveniles was estimated. CONCLUSIONS: Chronic exposure of prometryne on early life stages of crayfish has affected their mortality, growth rate, and histology. Some of the changes were observed only at higher exposures (144, 1 444 and 4 320 mýg.l-1), but histopathological changes in gills were observed also in crayfish exposed to the real environmental concentration in Czech rivers (i.e. 0.51 mýg.l-1), which is about 9 times lower than maximal concentration (4.40 mýg.l-1) reported in surface waters of Greece. Concentrations of prometryne in World rivers have been reported to generally vary in the range of 0.1-4.40 mýg.l-1. OBJECTIVES: The aim of this study is to assess the toxicity of prometryne in early life stages of marbled crayfish (Procambarus fallax f. virginalis) on the basis of mortality, early ontogeny, growth rate, and histopathology during and at the end of the test. DESIGN: The early life stages of marbled crayfish were exposed to prometryne at four concentrations, 0.51, (reported concentration in Czech rivers), 144, 1 440, and 4 320 mýg.l-1 for 53 days and compared to crayfish in a non-treated control group. RESULTS: Prometryne in concentration 144, 1 444 and 4 320 mýg.l-1 caused decrease of weight and specific growth rates of crayfish. Crayfish exposed the highest concentration 4 320 mýg.l-1 showed delay in ontogeny development. All crayfish groups exposed to prometryne showed histopathological changes in gill. On the basis of histopathological changes the values of LOEC=0.51 mýg.l-1 and NOEC=for 0.10 mýg.l-1 of prometryne for marbled crayfish juveniles was estimated. CONCLUSIONS: Chronic exposure of prometryne on early life stages of crayfish has affected their mortality, growth rate, and histology. Some of the changes were observed only at higher exposures (144, 1 444 and 4 320 mýg.l-1), but histopathological changes in gills were observed also in crayfish exposed to the real environmental concentration in Czech rivers (i.e. 0.51 mýg.l-1), which is about 9 times lower than maximal concentration (4.40 mýg.l-1) reported in surface waters of Greece. Concentrations of prometryne in World rivers have been reported to generally vary in the range of 0.1-4.40 mýg.l-1.
dcterms:title
Effect of prometryne on early life stages of marbled crayfish (Procambarus fallax f. virginalis) Effect of prometryne on early life stages of marbled crayfish (Procambarus fallax f. virginalis)
skos:prefLabel
Effect of prometryne on early life stages of marbled crayfish (Procambarus fallax f. virginalis) Effect of prometryne on early life stages of marbled crayfish (Procambarus fallax f. virginalis)
skos:notation
RIV/60076658:12520/14:43888105!RIV15-MSM-12520___
n4:aktivita
n5:S n5:P
n4:aktivity
P(ED2.1.00/01.0024), P(LO1205), S
n4:cisloPeriodika
2
n4:dodaniDat
n12:2015
n4:domaciTvurceVysledku
n9:5063949 n9:7506422 n9:6946321 n9:2565676 n9:2927527
n4:druhVysledku
n19:J
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
13467
n4:idVysledku
RIV/60076658:12520/14:43888105
n4:jazykVysledku
n17:eng
n4:klicovaSlova
histopathology; embryo-larval toxicity test; triazine
n4:klicoveSlovo
n7:embryo-larval%20toxicity%20test n7:histopathology n7:triazine
n4:kodStatuVydavatele
SE - Švédské království
n4:kontrolniKodProRIV
[B00E00C35429]
n4:nazevZdroje
Neuroendocrinology Letters
n4:obor
n13:GL
n4:pocetDomacichTvurcuVysledku
5
n4:pocetTvurcuVysledku
5
n4:projekt
n8:LO1205 n8:ED2.1.00%2F01.0024
n4:rokUplatneniVysledku
n12:2014
n4:svazekPeriodika
35
n4:tvurceVysledku
Koutnik, Dalibor Zusková, Eliška Velíšek, Josef Kouba, Antonín Stará, Alžběta
s:issn
0172-780X
s:numberOfPages
6
n15:organizacniJednotka
12520