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POPULATION DYNAMICS OF SYNANTHROPIC RODENTS AFTER A CHEMICAL AND INFRASTRUCTURAL INTERVENTION IN AN URBAN LOW-INCOME COMMUNITY
Autor
Awoniyi, Adedayo Michael
Vargas, Cristina Venegas
Souza, Fabio Neves
Zeppelini, Caio Graco
Hacker, Kathryn P
Pereira, Ticiana Carvalho
Marins, Catarina Lobo
Santana, Mayara Carvalho de
Pertile, Arsinoê Cristina
Begon, Michael
Ko, Albert I.
Diggle, Peter J
Reis, Mitermayer G
Childs, James E
Silva, Eduardo Mendes da
Costa, Federico
Khalil, Hussein
Vargas, Cristina Venegas
Souza, Fabio Neves
Zeppelini, Caio Graco
Hacker, Kathryn P
Pereira, Ticiana Carvalho
Marins, Catarina Lobo
Santana, Mayara Carvalho de
Pertile, Arsinoê Cristina
Begon, Michael
Ko, Albert I.
Diggle, Peter J
Reis, Mitermayer G
Childs, James E
Silva, Eduardo Mendes da
Costa, Federico
Khalil, Hussein
Afiliación
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil.
Michigan State University. College Veterinary Medicine. Department of Large Animal Clinical Sciences. East Lansing, MI, USA.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil.
University of Michigan. Department of Epidemiology. Ann Arbor, MI, USA.
Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
University of Liverpool. Ecology and Behavior. Department of Evolution. Liverpool, UK.
Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Lancaster University. Lancaster Medical School. Lancaster, UK.
Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA / Universidade Federal da Bahia. Faculdade de Medicina da Bahia. Salvador, BA, Brasil.
Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto Nacional de Ciência e Tecnologia em Estudos Interdisciplinares e Transdisciplinares em Ecologia e Evolução. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA / Lancaster University. Lancaster Medical School. Lancaster, UK.
Swedish University of Agricultural Sciences. Department of Wildlife, Fish and Environmental Studies. Uppsala, Sweden.
Michigan State University. College Veterinary Medicine. Department of Large Animal Clinical Sciences. East Lansing, MI, USA.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil.
University of Michigan. Department of Epidemiology. Ann Arbor, MI, USA.
Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil.
Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil.
University of Liverpool. Ecology and Behavior. Department of Evolution. Liverpool, UK.
Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Lancaster University. Lancaster Medical School. Lancaster, UK.
Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA / Universidade Federal da Bahia. Faculdade de Medicina da Bahia. Salvador, BA, Brasil.
Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto Nacional de Ciência e Tecnologia em Estudos Interdisciplinares e Transdisciplinares em Ecologia e Evolução. Salvador, BA, Brasil.
Universidade Federal da Bahia. Instituto de Biologia. Salvador, BA, Brasil / Ministério da Saúde. Fundação Oswaldo Cruz. Instituto Gonçalo Moniz. Salvador, BA, Brasil / Universidade Federal da Bahia. Instituto de Saúde Coletiva. Salvador, BA, Brasil / Yale School of Public Health. Department of Epidemiology of Microbial Diseases. New Haven, USA / Lancaster University. Lancaster Medical School. Lancaster, UK.
Swedish University of Agricultural Sciences. Department of Wildlife, Fish and Environmental Studies. Uppsala, Sweden.
Resumen en ingles
Synanthropic rodents are ubiquitous in low-income communities and pose risks for human health, as they are generally resistant to control programs. However, few or no studies have evaluated the long-term effect of chemical and infrastructural interventions on rodent population dynamics, especially in urban low-income communities, or evaluated the potential recovery of their population following interventions. We conducted a longitudinal study in a low-income community in the city of Salvador (BA, Brazil) to characterize the effect of interventions (chemical and infrastructural) on the dynamics of rodent population, and documented the post-intervention recovery of their population. We evaluated the degree of rodent infestation in 117 households/sampling points over three years (2014–2017), using tracking plates, a proxy for rodent abundance/activity. We reported a significant lower rodent activity/abundance after the chemical and infrastructural interventions (Z = −4.691 (p < 0.001)), with track plate positivity decreasing to 28% from 70% after and before interventions respectively. Therefore, the combination of chemical and infrastructural interventions significantly decreased the degree of rodent infestation in the study area. In addition, no rodent population rebound was recorded until almost a year post-intervention, and the post-intervention infestation level did not attain the pre-intervention level all through the study. Moreover, among pre-treatment conditions, access to sewer rather than the availability of food was the variable most closely associated with household rodent infestation. Our study indicates that Integrated Pest Management (IPM)-approaches are more effective in reducing rodent infestation than the use of a single method. Our findings will be useful in providing guidance for long-term rodent control programs, especially in urban low-income communities.
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