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September 10, 2025Poultry ScienceOpen Access

Age-Driven Changes in the Layer Hen Reproductive Microbiome are associated with Lay Performance

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Analysis of the reproductive microbiome shows age-related shifts in lay performance, indicating significant microbial influences on hen fertility.

Age-related shifts in reproductive tract microbiota negatively impact lay performance in hens, suggesting microbial influence.
The study found that specific genera like Turicibacter and Acinetobacter changed with age, affecting hormone metabolism and reproductive efficiency.
16S rRNA sequencing methods were used to assess differences in the ovarian and oviductal microbiomes between mid-lay and post-lay hens.
These findings highlight the potential for probiotic strategies targeting key microbial genera to enhance fertility and egg production.

Ellwood et al. (2025) studied this question.

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Analysis of the reproductive microbiome shows age-related shifts in lay performance, indicating significant microbial influences on hen fertility.