May 1, 2024Poultry ScienceOpen Access

Colonization, spread and persistence of Salmonella (Typhimurium, Infantis and Reading) in internal organs of broilers

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Authors

JWJinquan WangChinese Academy of Agricultural Sciences DFDavis A. FensterUniversity of Georgia SVSasikala VadduUniversity of Georgia

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Implication

Experimental challenge trial reveals dose-dependent Salmonella organ dissemination in broilers, highlighting early cecal colonization as a driver of systemic risk.

Key Points

Salmonella colonization of internal organs increased with challenge dose during early grow-out, but bacterial loads diminished markedly across broilers by day 35.
Relative risk of liver contamination increased 4.02-fold for each log unit increase in cecal colonization, while spleen positivity rose 3.40-fold in challenged broilers.
Assessment of chicks across 18 floor pens tracked marked Salmonella Typhimurium and Salmonella Infantis strains, with tissue sampling conducted over a 35-day period.
Highlights that mitigating early cecal colonization can suppress systemic invasion into internal organs, which may guide farm interventions to enhance public health.

Cite This Study

Wang et al. (2024) studied this question.

synapsesocial.com/papers/68e6c04ab6db643587640083 https://doi.org/10.1016/j.psj.2024.103806

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Implication

Experimental challenge trial reveals dose-dependent Salmonella organ dissemination in broilers, highlighting early cecal colonization as a driver of systemic risk.

Colonization, spread and persistence of Salmonella (Typhimurium, Infantis and Reading) in internal organs of broilers

Discussion

Member takes

Implication

Key Points

Cite This Study

Colonization, spread and persistence of Salmonella (Typhimurium, Infantis and Reading) in internal organs of broilers

Discussion

Member takes

Implication

Key Points

Cite This Study

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