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Statements

Subject Item
n2:RIV%2F00027014%3A_____%2F14%3A%230002078%21RIV15-MZE-00027014
rdf:type
n10:Vysledek skos:Concept
rdfs:seeAlso
http://www.vuzv.cz/sites/File/_privat/14123.pdf
dcterms:description
The inhibitory effect of four trace elements on production of volatile fatty acids (VFA) and lactate was evaluated in cultures of rumen contents containing lead, mercury, cadmium and arsenic at 50, 100 and 250 μg/ml. The production of VFA in cultures containing Pb2+, Hg2+, Cd2+ and As5+ at 50 μg/ml was decreased by 15.9, 40.0, 29.1 and 35.6%, respectively. The effect of trace elements on molar profile of VFA was variable, which suggests a different toxic effect of elements tested on different groups of rumen microorganisms. Increasing concentrations of Pb2+ in rumen cultures decreased molar proportion of acetate and increased that of butyrate, whereas Hg2+ and Cd2 increased molar percentages of acetate and decreased butyrate. Lactate concentration in cultures containing Hg2+ increased in a dose-dependent manner from 3.10 to 9.20 μmol/ml. Effects of other trace elements on lactate production were not consistent. The inhibitory effect of four trace elements on production of volatile fatty acids (VFA) and lactate was evaluated in cultures of rumen contents containing lead, mercury, cadmium and arsenic at 50, 100 and 250 μg/ml. The production of VFA in cultures containing Pb2+, Hg2+, Cd2+ and As5+ at 50 μg/ml was decreased by 15.9, 40.0, 29.1 and 35.6%, respectively. The effect of trace elements on molar profile of VFA was variable, which suggests a different toxic effect of elements tested on different groups of rumen microorganisms. Increasing concentrations of Pb2+ in rumen cultures decreased molar proportion of acetate and increased that of butyrate, whereas Hg2+ and Cd2 increased molar percentages of acetate and decreased butyrate. Lactate concentration in cultures containing Hg2+ increased in a dose-dependent manner from 3.10 to 9.20 μmol/ml. Effects of other trace elements on lactate production were not consistent.
dcterms:title
Effects of heavy metals and arsenate on the ovine rumen fermentation in vitro Effects of heavy metals and arsenate on the ovine rumen fermentation in vitro
skos:prefLabel
Effects of heavy metals and arsenate on the ovine rumen fermentation in vitro Effects of heavy metals and arsenate on the ovine rumen fermentation in vitro
skos:notation
RIV/00027014:_____/14:#0002078!RIV15-MZE-00027014
n3:aktivita
n8:I
n3:aktivity
I
n3:cisloPeriodika
3
n3:dodaniDat
n13:2015
n3:domaciTvurceVysledku
n14:7126875
n3:druhVysledku
n9:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
13730
n3:idVysledku
RIV/00027014:_____/14:#0002078
n3:jazykVysledku
n11:eng
n3:klicovaSlova
Trace elements, rumen metabolites, inhibition, lead, mercury, cadmium, arsenic
n3:klicoveSlovo
n7:cadmium n7:Trace%20elements n7:lead n7:mercury n7:rumen%20metabolites n7:arsenic n7:inhibition
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[933E38CA2DD5]
n3:nazevZdroje
Agricultura Tropica et Subtropica
n3:obor
n17:GH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n13:2014
n3:svazekPeriodika
47
n3:tvurceVysledku
Joch, Miroslav Marounek, Milan
s:issn
0231-5742
s:numberOfPages
3