Maysa Pellizzaro1, Francisco de Oliveira Conrado2, Camila Marinelli Martins3, Sâmea Fernandes Joaquim1, Fernando Ferreira3, Helio Langoni4, Alexander Welker Biondo5. 1. Programa de Pós-Graduação em Medicina Veterinária, Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, SP, Brasil. 2. Programa de Pós-graduação em Biologia Celular, Universidade Federal do Paraná, Curitiba, PR, Brasil. 3. Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil. 4. Departamento de Higiene Veterinária e Saúde Pública, Faculdade de Medicina Veterinária e Zootecnia, Universidade Estadual Paulista, Botucatu, SP, Brasil. 5. Departamento de Medicina Veterinária, Universidade Federal do Paraná, Curitiba, PR, Brasil.
Abstract
INTRODUCTION: Norway rats (Rattus norvegicus) are zoonotic reservoirs for Leptospira spp. and Toxoplasma gondii, and influence diseases in urban areas. METHODS: Free-ranging and laboratory-raised rats from two zoos in southern Brazil were tested for Leptospira spp. and T. gondii using microscopic agglutination and modified agglutination tests, respectively. RESULTS: Overall, 25.6% and 4.6% free-ranging rats tested positive for Leptospira spp. and T. gondii, respectively, with co-seropositivity occurring in two animals. For laboratory-raised rats, 20% tested positive for Leptospira spp. Also, Leptospira biflexa serovar Patoc and Leptospira noguchii serovar Panama were found. CONCLUSIONS: Serosurveys can show the environmental prevalence of zoonotic pathogens.
INTRODUCTION:Norway rats (Rattus norvegicus) are zoonotic reservoirs for Leptospira spp. and Toxoplasma gondii, and influence diseases in urban areas. METHODS: Free-ranging and laboratory-raised rats from two zoos in southern Brazil were tested for Leptospira spp. and T. gondii using microscopic agglutination and modified agglutination tests, respectively. RESULTS: Overall, 25.6% and 4.6% free-ranging rats tested positive for Leptospira spp. and T. gondii, respectively, with co-seropositivity occurring in two animals. For laboratory-raised rats, 20% tested positive for Leptospira spp. Also, Leptospira biflexa serovar Patoc and Leptospira noguchii serovar Panama were found. CONCLUSIONS: Serosurveys can show the environmental prevalence of zoonotic pathogens.
Authors: Mercedes Fernández-Escobar; Javier Millán; Andrea D Chirife; Luis Miguel Ortega-Mora; Rafael Calero-Bernal Journal: Parasitol Res Date: 2020-06-25 Impact factor: 2.289
Authors: Maysa Pellizzaro; Camila Marinelli Martins; Ana Carolina Yamakawa; Diogo da Cunha Ferraz; Vivien Midori Morikawa; Fernando Ferreira; Andrea Pires Dos Santos; Alexander Welker Biondo; Helio Langoni Journal: PLoS One Date: 2019-05-22 Impact factor: 3.240