Surveillance of rodent density and pathogens in Dongying City from 2021 to 2023
Objective To monitor the ecological distribution,density and prevalence of pathogens carried by rodents in key areas of Dongying City,so as to provide scientific basis for the prevention and control of rodent-borne diseases.Methods Using night trapping method and sticky rodent plate method for ecological monitoring of rodent,rodent samples were captured,DNA from the tissues were extracted,and rodent-brone pathogens were detected using real-time fluorescence quantitative PCR(qPCR).Excel 2007 and SPSS 21.0 softwares were used for data entry and aggregation and statistical analysis.The rates were compared using Chi-square test or Fisher's exact test.Results From 2021 to 2023,a total of 12 118 traps were laid,with 11 741 effective traps and 53 rodents were captured,with a total trapping rate of 0.45％;a total of 12 271 sticky rodent plates were deployed,with 12 066 effective plates,and 228 rodents were captured,with a total rodent catching rate of 1.89％.281 rodent of 3 species were detected,including Mus musculus(73.31％),Rattus norvegicus(25.98％)and Apodemus agrarius(0.71％).The pathogen monitoring results showed that 15 rodents were infected with Leptospira,12 rodents were infected with Bartonella,accounting for 5.34％,4.27％,respectively.3 rodents were infected with Leptospira and Bartonella,with a combined infection rate of 1.07％.Conclusion The dominant rodent species in Dongying City is Mus musculus,the rodent-borne pathogen is mainly Leptospira,and the trend is increasing year by year.Therefore,we should increase the intensity of rodent monitoring and strengthen the ability of pathogenic surveillance.
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