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June 4, 2026Applied and Environmental MicrobiologyOpen Access

Seasonal impacts on Salmonella prevalence and antimicrobial resistance in the pork food chain of northeastern Thailand

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Authors

HLHongmei LiuKhon Kaen University ZBZhongbin BaiYunnan Agricultural University NWNing WangYunnan Agricultural University

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Implication

Randomized trial assesses Salmonella prevalence and antimicrobial resistance in pork across seasonal conditions, suggesting critical control points for intervention.

Key Points

This study aims to investigate the seasonal variation in Salmonella prevalence and antimicrobial resistance in the pork food chain of northeastern Thailand.
Collected 897 samples from slaughterhouses and markets during summer, rainy, and winter seasons from 2023 to 2024.
Performed tests including Salmonella isolation, serotyping, and antimicrobial susceptibility testing.
Evaluated associations between prevalence or AMR and seasonal factors using relative risk and logistic regression tests.
Retail pork showed the highest contamination rates (up to 75.4% in summer), while carcass samples had the lowest (4.0% in winter).
The rainy season was strongly linked to high antimicrobial resistance (OR = 11.9 vs winter, P = 0.002).
S. Rissen dominated during winter and showed significant seasonal shifts in prevalence and resistance patterns.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a2115d7d499ed480b16edcc https://doi.org/10.1128/aem.00057-26

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Implication

Randomized trial assesses Salmonella prevalence and antimicrobial resistance in pork across seasonal conditions, suggesting critical control points for intervention.

Seasonal impacts on Salmonella prevalence and antimicrobial resistance in the pork food chain of northeastern Thailand

Discussion

Member takes

Implication

Key Points

Cite This Study

Seasonal impacts on Salmonella prevalence and antimicrobial resistance in the pork food chain of northeastern Thailand

Discussion

Member takes

Implication

Key Points

Cite This Study

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