关键词: 鼠, 蚤, 鼠疫, 印鼠客蚤

Abstract: Objective To understand the composition and distribution of species of rodents and fleas on their body surface in Guangzhou city,Guangdong province.Methods Rodents were captured by cages at night in 12 districts and counties of Guangzhou city.Species of the captured rodents were identified and fleas were collected from their body surface and identified to estimate the percentage of rodents with fleas and flea index.Results Totally,2 987 rodents were caught,including one species,three genera and eight families and 67.46% of Rattus norvegicus and 14.30% of Rattus flavipectus,respectively,with an overall density of rodents of 14.31%.As well,195 insectivora were captured,only one species,one genera and one family classified as Suncus murinus.Five hundred and one fleas were caught,including three species and three genera were identified,with Xenopsylla cheopis as dominant species accounting for 98.60% of the total and with a percentage of rodents with fleas of 14.25% and an overall flea index of 0.65.Conclusion Overall density of rodents was 14.32% in Guangzhou city,with Rattus norvegicus as dominant species.Percentage of rodents with fleas was 14.25%,with X.heopis as dominant species.No plague was found in humans and rodents there.