| Issue |
E3S Web of Conf.
Volume 222, 2020
International Scientific and Practical Conference “Development of the Agro-lndustrial Complex in the Context of Robotization and Digitalization of Production in Russia and Abroad” (DAIC 2020)
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|---|---|---|
| Article Number | 03021 | |
| Number of page(s) | 7 | |
| Section | Efficient Production, Storage, Processing and Pre-sale Preparation of Agricultural Products. Creation of Safe and High-quality, Including Functional Food Products Based on Modern Genetic and Breeding Methods in Crop Production and Animal Husbandry | |
| DOI | https://doi.org/10.1051/e3sconf/202022203021 | |
| Published online | 22 December 2020 | |
Probiotic potential of Escherichia coli ŽP for the gut microbiota of chickens
1 Institute of Ecology and Genetics of Microorganisms, Ural Branch of the Russian Academy of Sciences, Goleva street 13, 614081 Perm, Russia
2 Perm State Medical University named after E.A. Wagner, str. Petropavlovskaya, 26, Perm, Russia
3 Department of Biology, Biotechnical Faculty, University of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
* Corresponding author: I.Maslennikova1974@gmail.com
The effect of oral administration of Escherichia coli ŽP strain carrying a conjugative plasmid encoding the colicin E7 on the composition of the intestinal chyme microbiota of chickens was studied. It was shown that E. coli ŽP was present in the chyme of chickens 6-24 days of age in all experimental groups. In the microbiota of the control group (not administered with the ŽP strain) the Firmicutes phylum, as well as Proteobacteria (E. coli), Actinobacteria (Eubacterium spp.) and, to a lesser extent, Bacteroidetes were found. In the experimental groups the proportion of Firmicutes, represented by the Lactobacillus, Bacillus and Clostridium genera, was higher than in the control group. Our results showed that the use of E. coli ŽP helps to maintain a dynamic state of the microbiota, in all experimental groups, including the group, which was administered an APEC strain.
© The Authors, published by EDP Sciences, 2020
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