Contact with adult hens affects the composition of skin and respiratory tract microbiota in newly hatched chicks

Faldynova, Marcela; Prikrylova, Hana; Sebkova, Alena; Volf, Jiri; Karasova, Daniela; Crhanova, Magdalena; Babak, Vladimir; Rychlik, Ivan

doi:10.1016/j.psj.2023.103302

Poultry Science

2024

DOI: 10.1016/j.psj.2023.103302

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Contact with adult hens affects the composition of skin and respiratory tract microbiota in newly hatched chicks

Marcela Faldynova,

Hana Prikrylova,

Alena Sebkova

et al.

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2024

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Cited by 3 publications

References 39 publications

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Immunoglobulin secretion influences the composition of chicken caecal microbiota

Volf,

Kaspers,

Schusser

et al. 2024

Sci Rep

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Immunoglobulin secretion influences the composition of chicken caecal microbiota

Volf,

Kaspers,

Schusser

et al. 2024

Sci Rep

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Research advancements on the diversity and host interaction of gut microbiota in chickens

Yue,

Luasiri,

et al. 2024

Front. Vet. Sci.

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The maintenance of host health and immune function is heavily dependent on the gut microbiota. However, the precise contribution of individual microbial taxa to regulating the overall functionality of the gut microbiome remains inadequately investigated. Chickens are commonly used as models for studying poultry gut microbiota, with high-throughput 16S rRNA sequencing has emerged as a valuable tool for assessing both its composition and functionality. The interactions between the gut’s microbial community and its host significantly influence health outcomes, disease susceptibility, and various mechanisms affecting gastrointestinal function. Despite substantial research efforts, the dynamic nature of this microbial ecosystem has led to inconsistencies in findings related to chicken gut microbiota, which is largely attributed to variations in rearing conditions. Consequently, the interaction between the chickens’ gut microflora and its host remains inadequately explored. This review highlights recent advances in understanding these relationships, with a specific focus on microbial composition, diversity, functional mechanisms, and their potential implications for improving poultry production.

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Probiotic Mixtures Consisting of Representatives of Bacteroidetes and Selenomonadales Increase Resistance of Newly Hatched Chicks to Salmonella Enteritidis Infection

Volf,

Faldynova,

Matiasovicova

et al. 2024

Microorganisms

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There are extensive differences in the caecal microbiota of chicks from hatcheries and those inoculated with faecal material from adult hens. Besides differences in microbial composition, the latter chickens are highly resistant to Salmonella Enteritidis challenges, while the former are susceptible. In this study, we tested whether strains from genera Bacteroides, Megamonas, or Megasphaera can increase chicken resistance to Salmonella and Campylobacter jejuni when defined microbial mixtures consisting of these bacterial genera are administered. Mixtures consisting of different species and strains from the above-mentioned genera efficiently colonised the chicken caecum and increased chicken resistance to Salmonella by a factor of 50. The tested mixtures were even more effective in protecting chickens from Salmonella in a seeder model of infection (3–5 log reduction). The tested mixtures partially protected chickens from C. jejuni infection, though the effect was lower than that against Salmonella. The obtained data represent a first step for the development of a new type of probiotics for poultry.

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Contact with adult hens affects the composition of skin and respiratory tract microbiota in newly hatched chicks

Cited by 3 publications

References 39 publications

Immunoglobulin secretion influences the composition of chicken caecal microbiota

Immunoglobulin secretion influences the composition of chicken caecal microbiota

Research advancements on the diversity and host interaction of gut microbiota in chickens

Probiotic Mixtures Consisting of Representatives of Bacteroidetes and Selenomonadales Increase Resistance of Newly Hatched Chicks to Salmonella Enteritidis Infection

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