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Pathogens
Volume 10
Issue 12
10.3390/pathogens10121622
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Article

Prevalence and Serotype Diversity of Salmonella enterica in the Estonian Meat Production Chain in 2016–2020

by
Kaisa Kuus
1,
Toomas Kramarenko
2,
Jelena Sõgel
3,
Mihkel Mäesaar
1,
Maria Fredriksson-Ahomaa
4 and
Mati Roasto
1,*
1
Chair of Food Hygiene and Veterinary Public Health, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Fr. R. Kreutzwaldi 56-3, 51006 Tartu, Estonia
2
Veterinary and Food Laboratory, Fr. R. Kreutzwaldi 30, 51006 Tartu, Estonia
3
Agriculture and Food Board, Väike-Paala 3, 11415 Tallinn, Estonia
4
Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Agnes Sjöbergin katu 2, P.O. Box 66, 00014 Helsinki, Finland
*
Author to whom correspondence should be addressed.
Pathogens 2021, 10(12), 1622; https://doi.org/10.3390/pathogens10121622
Submission received: 23 November 2021 / Revised: 7 December 2021 / Accepted: 13 December 2021 / Published: 14 December 2021
(This article belongs to the Special Issue Advanced Research on Foodborne Pathogens)
Versions Notes

Abstract

Background: Salmonella enterica represents a considerable public concern worldwide, with farm animals often recognised as an important reservoir. This study gives an overview of the prevalence and serotype diversity of Salmonella over a 5-year period in the meat production chain in Estonia. Data on human salmonellosis over the same period are provided. Methods: Salmonella surveillance data from 2016 to 2020 were analysed. Results: The prevalence of Salmonella at the farm level was 27.7%, 3.3% and 0.1% for fattening pigs, cattle and poultry, respectively. S. Derby was the most prevalent serotype at the farm level for fattening pigs and S. Dublin for cattle. The top three serotypes isolated at the slaughterhouse and meat cutting levels were S. Derby, monophasic S. Typhimurium and S. Typhimurium with proportions of 64.7%, 9.4% and 7.0%, respectively. These serotypes were the top five most common Salmonella serotypes responsible for human infections in Estonia. S. Enteritidis is the main cause (46.9%) of human salmonellosis cases in Estonia, but in recent years, Enteritidis has not been detected at the slaughterhouse or meat cutting level. Conclusion: In recent years, monophasic S. Typhimurium has become epidemiologically more important in Estonia, with the second-highest cause in human cases and third-highest among the most prevalent serotypes of Salmonella enterica in the meat chain.
Keywords: surveillance program; Salmonella enterica; prevalence; serotypes; meat production chain; human salmonellosis surveillance program; Salmonella enterica; prevalence; serotypes; meat production chain; human salmonellosis

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MDPI and ACS Style

Kuus, K.; Kramarenko, T.; Sõgel, J.; Mäesaar, M.; Fredriksson-Ahomaa, M.; Roasto, M. Prevalence and Serotype Diversity of Salmonella enterica in the Estonian Meat Production Chain in 2016–2020. Pathogens 2021, 10, 1622. https://doi.org/10.3390/pathogens10121622

AMA Style

Kuus K, Kramarenko T, Sõgel J, Mäesaar M, Fredriksson-Ahomaa M, Roasto M. Prevalence and Serotype Diversity of Salmonella enterica in the Estonian Meat Production Chain in 2016–2020. Pathogens. 2021; 10(12):1622. https://doi.org/10.3390/pathogens10121622

Chicago/Turabian Style

Kuus, Kaisa, Toomas Kramarenko, Jelena Sõgel, Mihkel Mäesaar, Maria Fredriksson-Ahomaa, and Mati Roasto. 2021. "Prevalence and Serotype Diversity of Salmonella enterica in the Estonian Meat Production Chain in 2016–2020" Pathogens 10, no. 12: 1622. https://doi.org/10.3390/pathogens10121622

APA Style

Kuus, K., Kramarenko, T., Sõgel, J., Mäesaar, M., Fredriksson-Ahomaa, M., & Roasto, M. (2021). Prevalence and Serotype Diversity of Salmonella enterica in the Estonian Meat Production Chain in 2016–2020. Pathogens, 10(12), 1622. https://doi.org/10.3390/pathogens10121622

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