Vegetables at a market in Cambodia. Photo.
Vegetables at a market in Cambodia. Photo: RUPP-IU research team

Salmonellosis transmission involves multiple sectors

Page reviewed:  11/11/2025

“Salmonellosis transmission may originate not only from fresh food products but also from environmental and livestock sources”, says Laingshun Huoy, at the Department of Animal Biosciences.  

A woman by a window. Photo.
Laingshun Huoy, Department of Animal Biosciences at SLU. Photo: Private
Who are you? Could you give a short presentation of yourself and your research area? 

“My name is Laingshun Huoy, a lecturer and researcher at the Department of Bioengineering, the Royal University of Phnom Penh, Cambodia. I am currently completing my PhD at the Swedish University of Agricultural Sciences, within the Department of Animal Biosciences. My doctoral research examines food safety concerns in Cambodia, with a focus on Salmonella and antimicrobial resistance in fresh foods from Phnom Penh’s local markets.”

Market vendors and customers at a vegetable stand at a market in Cambodia. Photo.
A common situation in an open or informal market in Cambodia, highlighting the sampling area of the current study. Photo: RUPP-IU research team.

How does your research align with One Health?

“This study is strongly aligned with the One Health research approach because the study focuses on how salmonellosis transmission involves multiple sectors: human health risks through the food chain, animal health issues from livestock production to retail meat, and environmental contributors that promote contamination from farms to markets.” 

“For instance, the study identified a high prevalence of Salmonella, 48 percent, among fresh food products and high antimicrobial resistance, 71 percent, among bacterial isolates, indicating that salmonellosis transmission may originate not only from fresh food products but also from environmental and livestock sources. Additionally, antimicrobial resistance is likely linked to the use of antibiotics in livestock production, which may promote the development of resistant bacteria that can spread through the environment and the food supply chain, posing risks to human health through contaminated food.”

Pork is displayed at an informal market in Cambodia. Photo.
Pork is displayed and stored in each vendor in the informal market in Phnom Penh, Cambodia. Photo: RUPP-IU research team.

What are your plans after your PhD? 

“I intend to pursue another postdoctoral position to further strengthen my research expertise before returning to Cambodia to continue my work as a university lecturer and researcher. Additionally, I plan to return to my home university and enhance my research capacity in the fields of food safety and microbiology.”

Links: 

Scientific articles

Antimicrobial resistance and serotype distribution of Salmonella spp. isolated from fresh foods in Cambodia | Journal of Applied Microbiology | Oxford Academic

Prevalence of Salmonella spp. in meat, seafood, and leafy green vegetables from local markets and vegetable farms in Phnom Penh, Cambodia - ScienceDirect

Project page

Molecular Characterization and Antimicrobial Resistance in Salmonella spp. isolated from food in Cambodia | slu.se

 

 

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