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Persistence of microbial and chemical pig manure markers as compared to faecal indicator bacteria survival in freshwater and seawater microcosms ArchiMer
Solecki, O.; Jeanneau, L.; Jarde, E.; Gourmelon, Michele; Marin, Charlotte; Pourcher, A. M..
Natural seawater and freshwater microcosms inoculated with pig manure were set up to determine the persistence of pig faecal microbial and chemical markers in these two types of surface water. The concentrations of Lactobacillus amylovorus, the Bacteroidales Pig-2-Bac 165 rRNA genetic marker, five stanols and the evolution of two ratios of stanols, R(1) (coprostanol to the sum of coprostanol and 24-ethylcoprostanol) and R(2) (sitostanol to coprostanol) were analyzed during two months along with the concentration of Faecal Indicator Bacteria (FIB). Pig manure was inoculated to unfiltered water microcosms incubated aerobically at 18 degrees C in the dark. The faecal contamination load represented by the concentrations of culturable Escherichia coli and/or...
Tipo: Text Palavras-chave: Faecal source tracking; Decay rates; Faecal stanols; Biphasic kinetic; Lactobacillus amylovorus; Bacteroidales marker.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00043/15417/12975.pdf
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