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      LQ and SSM analysis of Salmonella serum species in Beibu Gulf Economic Zone of Guangxi, 2016- 2018

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          Abstract

          Objective The purpose of the paper was to analyze the spatial distribution and growth of food-borne and human Salmonella in the Beibu Gulf Economic Zone, so as to provide scientific reference for prevention and control of diseases caused by Salmonella.

          Methods It took the Beibu Gulf Economic Zone as the research area and used the data of Salmonella serum species from 2016 to 2018. It constructed the location quotient (LQ) model and the shift-share-analysis method (SSM) model, so as to effectively obtain the location quotient and the regional growth share, Salmonella composition deviation share and location deviation share of Salmonella.

          Results According to the LQ model, there were two kinds of Salmonella in Beibu Gulf Economic Zone whose location quotients were greater than 1. The location quotient of Salmonella typhimurium was 1.05 while the location quotient of Salmonella enteritidis was 1.19. According to the SSM model, the total deviation of Salmonella typhimurium were 23.50 strains while the total deviation of Salmonella enteritidis were 4.18 strains. The growth rate of Salmonella typhimurium and Salmonella enteritidis were faster than the growth rate of Salmonella population in Guangxi.

          Conclusion Salmonella typhimurium and Salmonella enteritidis were high-level regional agglomeration species in the Beibu Gulf Economic Zone. Salmonella typhimurium and Salmonella enteritidis in the Beibu Gulf Economic Zone had species advantages and strong growth trend.

          Abstract

          摘要: 目的 通过分析广西北部湾经济区食源性和人源沙门菌的空间分布和增长情况, 为预防和控制沙门菌引起 的疾病提供科学参考。 方法 以北部湾经济区为研究区域, 采用 2016—2018 年的沙门菌血清种类数据, 通过构建区位 熵 (LQ) 模型和偏离-份额分析法 (SSM) 模型, 有效获取沙门菌的区位熵和区域增长份额、沙门菌构成偏离份额和区位 偏离份额的数值。 结果 根据 LQ 模型, 北部湾经济区沙门菌的区位熵大于 1 的种类有两种:鼠伤寒沙门菌 (区位熵为 1.05) 和肠炎沙门菌 (区位熵为 1.19)。根据SSM模型, 北部湾经济区鼠伤寒沙门菌的总偏离量为 23.50 株, 肠炎沙门菌 的总偏离量为 4.18 株, 增长速度均快于广西沙门菌总体的增长速度。 结论 北部湾经济区沙门菌区域集聚水平比较 髙的种类是鼠伤寒沙门菌和肠炎沙门菌。北部湾经济区鼠伤寒沙门菌和肠炎沙门菌具备种类优势且具有很强的增长 趋势。

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          Author and article information

          Journal
          CTM
          China Tropical Medicine
          China Tropical Medicine (China )
          1009-9727
          1 March 2020
          1 April 2020
          : 20
          : 3
          : 259-262
          Affiliations
          1Guangxi Provincial Center for Disease Control and Prevention, Nanning, Guangxi 530028, China
          Author notes
          Corresponding author: LAN Lan, E-mail: 42618750@ 123456qq.com
          Article
          j.cnki.46-1064/r.2020.03.14
          10.13604/j.cnki.46-1064/r.2020.03.14
          © 2020 Editorial Department of China Tropical Medicine

          This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 Unported License (CC BY-NC 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. See https://creativecommons.org/licenses/by-nc/4.0/.

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