What question did this study set out to answer?

To evaluate breed-specific resistance to Eimeria maxima infection across distinct chicken lineages and identify intestinal bacteria correlated with coccidiosis resistance.

May 7, 2025Journal of Animal Science and Biotechnology/Journal of animal science and biotechnologyOpen Access

Breed-specific responses to coccidiosis in chickens: identification of intestinal bacteria linked to disease resistance

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To evaluate breed-specific resistance to Eimeria maxima infection across distinct chicken lineages and identify intestinal bacteria correlated with coccidiosis resistance.
Challenged 10-day-old Fayoumi M5.1, Leghorn Ghs6, and Cobb chickens with 50,000 sporulated Eimeria maxima oocysts alongside mock-infected controls.
Assessed body weight changes, small intestinal lesion severity, and fecal oocyst shedding at day 17 post-hatch.
Profiled ileal and cecal digesta microbiota communities using 16S rRNA gene sequencing.
Fayoumi M5.1 chickens exhibited the lowest growth retardation, reduced intestinal lesion scores, minimal fecal oocyst shedding, and suppressed pathobiont proliferation compared to Ghs6 and Cobb chickens.
Healthy M5.1 chickens displayed higher baseline ileal abundances of Weissella, Staphylococcus gallinarum, and Enterococcus durans/hirae, which remained higher than in other breeds post-infection.
Group A Lactobacillus and Ligilactobacillus salivarius had lowest baseline prevalence in M5.1 chickens but became enriched to levels comparable with Ghs6 and Cobb chickens following infection.

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Implication

In vivo challenge study reveals gut microbiota profiles tied to enhanced coccidiosis resistance in Fayoumi chickens, highlighting novel probiotic candidates for poultry disease mitigation.

Cite This Study

Broadwater et al. (2025) studied this question.

synapsesocial.com/papers/6aade125537e7deed64f6364 https://doi.org/10.1186/s40104-025-01202-z

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Implication

In vivo challenge study reveals gut microbiota profiles tied to enhanced coccidiosis resistance in Fayoumi chickens, highlighting novel probiotic candidates for poultry disease mitigation.

Breed-specific responses to coccidiosis in chickens: identification of intestinal bacteria linked to disease resistance

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Discussion

Implication

Cite This Study

Breed-specific responses to coccidiosis in chickens: identification of intestinal bacteria linked to disease resistance

Key Points

Discussion

Implication

Cite This Study

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