Research Note: A mixture of Bacteroides spp. and other probiotic intestinal anaerobes reduces colonization by pathogenic E. coli strain O78:H4-ST117 in newly hatched chickens

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Authors

PAPOUSKOVA Aneta RYCHLIK Ivan HARUŠTIAKOVÁ Danka CIZEK Alois

Year of publication 2023
Type Article in Periodical
Magazine / Source Poultry Science
MU Faculty or unit

Faculty of Science

Citation
Web https://www.sciencedirect.com/science/article/pii/S0032579123000536?via%3Dihub
Doi http://dx.doi.org/10.1016/j.psj.2023.102529
Keywords competitive exclusion; colonization; chicken; avian pathogenic Escherichia coli (APEC); probiotics
Description An experimental group of one-day-old chicken from a commercial hatchery was given a defined mixture of 7 gut anaerobes. The next day the chicks were inoculated by an APEC strain O78:H4-ST117 resistant to ciprofloxacin, alongside with the control group and monitored for 4 wk after the inoculation for the presence of the colonizing strains and ciprofloxacin-resistant E. coli. Significant reduction of colonization rates in the first 2 wk was recorded in the experimental group for the numbers of ciprofloxacin-resistant E. coli. The results show that colonization of chicken by defined anaerobic mixtures may provide a decisive protection during the critical period of the chicken intestinal micro -flora development.
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