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Assessment of a lig...
Assessment of a light-touch intervention to reduce microbial contamination at small-scale pig slaughterhouses and traditional pork shops in Vietnam
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- Ngo, Hoang Tuan Hai (författare)
- Uppsala universitet,SWEDESD - Centrum för forskning och utbildning om lärande för hållbar utveckling,Center for Public Health and Ecosystem Research, Hanoi University of Public Health, Hanoi, Vietnam; International Livestock Research Institute, Hanoi, Vietnam
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Dang-Xuan, Sinh (författare)
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- Målqvist, Mats, 1971- (författare)
- Uppsala universitet,SWEDESD - Centrum för forskning och utbildning om lärande för hållbar utveckling
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- Nguyen-Thanh, Luong (författare)
- Uppsala universitet,SWEDESD - Centrum för forskning och utbildning om lärande för hållbar utveckling
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Pham-Duc, Phuc (författare)
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Nguyen-Hong, Phi (författare)
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Le-Thi, Hang (författare)
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Nguyen-Viet, Hung (författare)
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Le, Thi-Huyen Trang (författare)
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Grace, Delia (författare)
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- Lindahl, Johanna (författare)
- Uppsala universitet,SWEDESD - Centrum för forskning och utbildning om lärande för hållbar utveckling,Institutionen för medicinsk biokemi och mikrobiologi,International Livestock Research Institute, Hanoi, Vietnam; Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
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Unger, Fred (författare)
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(creator_code:org_t)
- Elsevier, 2023
- 2023
- Engelska.
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Ingår i: International Journal of Food Microbiology. - : Elsevier. - 0168-1605 .- 1879-3460. ; 406
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Traditional pork value chains dominate the production and distribution of pork in Vietnam; however, there high microbiological contamination of pork may lead to health risks. There is limited evidence about how to sustainably and scalably reduce microbial contamination in pork sold in traditional markets. This study aimed to assess the effectiveness of light-touch interventions for changing worker behaviour in small-scale slaughterhouses and retailers at traditional pork shops, as well as to identify risk factors for pork contamination. The intervention packages consisted of providing hygiene tools and delivering a food safety training which had been designed in a participatory way and covered 10 small-scale slaughterhouses and 29 pork shops. Pig carcasses, retailed pork, contact surfaces, and hands were sampled to measure the total bacterial count (TBC) and Salmonella contamination and trainee practices were observed before, three and six weeks after the intervention. Linear and generalized linear mixed effects models were constructed to identify risk factors for TBC and Salmonella contamination at the slaughterhouses and pork shops. Intervention results showed a slight reduction of TBC contamination in pig carcasses from 4.46 to 4.23 log10 CFU/cm2 (p = 0.09) and Salmonella prevalence in retailed pork (reduction from 52% to 24% detection, p = 0.08), while the TBC in retailed pork decreased only marginally (5.47 vs. 5.36 log10 CFU/g, p = 0.23). For slaughterhouses, the regression model indicated that smoking or eating during slaughtering was a risk factor, associated with TBC increasing by 0.60 log10 CFU/g (95% confidence interval (CI): 0.12 to 0.96, p =0.02), while cleaning floors and wearing boots reduced TBC contamination with 0.53 log10 CFU/g (CI: –0.83 to 0.01, p = 0.03) and 1.04 log10 CFU/g (CI: –1.50 to –0.26, p = 0.03), respectively. For pork shops, using rough materials (cardboard or wood) to display pork was the only factor increasing TBC contamination in pork with 0.57 log10 CFU/g (CI: 0.22 to 0.91, p < 0.001), whereas wearing aprons was associated with lower TBC, with 0.45 log10 CFU/g (CI: –0.79 to –0.12, p = 0.02), and Salmonella contamination in pork (odds ratio (OR) = 0.13, CI: 0.02 to 0.72, p = 0.03). The findings highlight the effectiveness of light-touch interventions in reducing microbial contamination in pig carcasses and pork over the study period.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
Nyckelord
- Pork Value Chain
- Salmonella
- Total Bacterial Count
- Food Safety
- Hygiene
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Ngo, Hoang Tuan ...
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Dang-Xuan, Sinh
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Målqvist, Mats, ...
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Nguyen-Thanh, Lu ...
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Pham-Duc, Phuc
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Nguyen-Hong, Phi
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Le-Thi, Hang
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Nguyen-Viet, Hun ...
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Le, Thi-Huyen Tr ...
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Grace, Delia
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Lindahl, Johanna
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Unger, Fred
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