Objective The monitoring data of foodborne and human Salmonella typhimurium and Salmonella enteritidis in Nanning City and Guigang City of Guangxi province were analyzed to provide reference for the scientific prevention and control of regional diseases caused by Salmonella. Methods Salmonella monitoring data collected from 13 monitoring sites in Nanning City and 6 monitoring sites in Guigang City from 2016 to 2018 were selected. The shift-share analysis model was constructed to effectively obtain the regional growth share of Salmonella typhimurium and Salmonella enteritidis, and also the value of the composition deviation share and the location deviation share of Salmonella. Results The total deviation of Salmonella typhimurium in Nanning were 2.47 strains and those of Salmonella enteritidis in Guigang were 6.96 strains. The location deviation share of Salmonella typhimurium in Nanning were -6.54 strains and those of Salmonella enteritidis in Guigang were 6.88 strains. Conclusion Salmonella typhimurium in Nanning and Salmonella enteritidis in Guigang had been increasing rapidly from 2016 to 2018, both exceeding the growth rate of Salmonella in Guangxi. Salmonella typhimurium in Nanning and Salmonella enteritidis in Guigang had species advantages.
Key words
Salmonella /
The shift-share analysis /
Dominant strain
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