Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/112062
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Type: Journal article
Title: At-hatch administration of probiotic to chickens can introduce beneficial changes in gut microbiota
Author: Baldwin, S.
Hughes, R.
Van, T.
Moore, R.
Stanley, D.
Citation: PLoS ONE, 2018; 13(3):e0194825-1-e0194825-14
Publisher: Public Library of Science (PLoS)
Issue Date: 2018
ISSN: 1932-6203
1932-6203
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Responsibility: 
Stephen Baldwin, Robert J. Hughes, Thi Thu Hao Van, Robert J. Moore, Dragana Stanley
Abstract: Recent advances in culture-free microbiological techniques bring new understanding of the role of intestinal microbiota in heath and performance. Intestinal microbial communities in chickens assume a near-stable state within the week which leaves a very small window for permanent microbiota remodelling. It is the first colonisers that determine the fate of microbial community in humans and birds alike, and after the microbiota has matured there are very small odds for permanent modification as stable community resists change. In this study we inoculated broiler chicks immediately post hatch, with 3 species of Lactobacillus, identified by sequencing of 16S rRNA and pheS genes as L. ingluviei, L. agilis and L. reuteri. The strains were isolated from the gut of healthy chickens as reproducibly persistent Lactobacillus strains among multiple flocks. Birds inoculated with the probiotic mix reached significantly higher weight by 28 days of age. Although each strain was able to colonise when administered alone, administering the probiotic mix at-hatch resulted in colonisation by only L. ingluviei. High initial abundance of L. ingluviei was slowly reducing, however, the effects of at-hatch administration of the Lactobacillus mix on modifying microbiota development and structure remained persistent. There was a tendency of promotion of beneficial and reduction in pathogenic taxa in the probiotic administered group.
Keywords: Gastrointestinal Tract; Animals; Chickens; Bacteria; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Probiotics; Gastrointestinal Microbiome
Description: Published: March 23, 2018
Rights: © 2018 Baldwin et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
RMID: 0030084388
DOI: 10.1371/journal.pone.0194825
Appears in Collections:Animal and Veterinary Sciences publications

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