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Serological and molecular detection of Theileria equi in horses from Sinop, Mato Grosso state, Brazil / Detecção sorológica e molecular de Theileria equi em equinos oriundos de Sinop, Mato Grosso, Brasil
Bonadimann, Suyane Nayara Garcia Socoloski; Cordeiro, Matheus Dias; Bautista, José Luis Rodríguez; Silva, Jenevaldo Barbosa da; Nicolino, Rafael Romero; Fonseca, Adivaldo Henrique da; Lopes, Luciano Bastos.
  • Bonadimann, Suyane Nayara Garcia Socoloski; Federal University of Mato Grosso. Sinop. BR
  • Cordeiro, Matheus Dias; Federal Rural University of Rio de Janeiro. Laboratório de Cultivo de Células e Hemoparasitos. Seropédica. BR
  • Bautista, José Luis Rodríguez; Federal Rural University of Rio de Janeiro. Laboratório de Cultivo de Células e Hemoparasitos. Seropédica. BR
  • Silva, Jenevaldo Barbosa da; Federal University of Jequitinhonha and Mucuri Valleys. Agronomic Sciences Institute. Unaí. BR
  • Nicolino, Rafael Romero; Federal University of Minas Gerais. Departament Of Veterinary Epidemiology. Belo Horizonte. BR
  • Fonseca, Adivaldo Henrique da; Federal Rural University of Rio de Janeiro. Laboratório de Cultivo de Células e Hemoparasitos. Seropédica. BR
  • Lopes, Luciano Bastos; Federal University of Mato Grosso. Sinop. BR
Rev. bras. ciênc. vet ; 28(3): 156-161, jul./set. 2021. ilus
Artículo en Inglés | LILACS, VETINDEX | ID: biblio-1491717
RESUMO
Equine piroplasmosis is the most important tick-borne disease to affect horses in Brazil. Theileria equi is one of the causative agents of equine piroplasmosis. Chronic cases are expected, in which the animals show no apparent signs of infection and remain asymptomatic but constitute a source of the infectious agent that ticks can spread. This study was conducted across 81 ranches located in the municipality of Sinop, State of Mato Grosso, Brazil. A sample calculation was performed to estimate the apparent prevalence of T. equi among horses. A total of 1,853 animals were included in the sampling analysis based on the information available from the Institute of Agricultural and Livestock Defense of Mato Grosso State. The serological analysis of 367 serum samples using an indirect enzyme-linked immunosorbent assay (ELISA) to detect anti-T. equi antibodies revealed that 337 animals were positive, representing a frequency of 90.70%. The molecular analysis to amplify the EMA-1 gene showed positivity in 20 of 89 tested samples. The fragments of four samples were sequenced and analyzed to determine their similarities to sequences from other species, based on sequences deposited at GenBank. All showed 100% similarity with T. equi. Our study represents the first report of T. equi antibodies among the equids in north-central region of Mato Grosso, revealing the widespread distribution of seropositive animals.
Asunto(s)


Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Theileriosis / Babesiosis / Pruebas Serológicas / Theileria / Patología Molecular / Caballos Tipo de estudio: Estudio diagnóstico / Factores de riesgo Límite: Animales País/Región como asunto: America del Sur / Brasil Idioma: Inglés Revista: Rev. bras. ciênc. vet Año: 2021 Tipo del documento: Artículo Institución/País de afiliación: Federal Rural University of Rio de Janeiro/BR / Federal University of Jequitinhonha and Mucuri Valleys/BR / Federal University of Mato Grosso/BR / Federal University of Minas Gerais/BR

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Texto completo: Disponible Índice: LILACS (Américas) Asunto principal: Theileriosis / Babesiosis / Pruebas Serológicas / Theileria / Patología Molecular / Caballos Tipo de estudio: Estudio diagnóstico / Factores de riesgo Límite: Animales País/Región como asunto: America del Sur / Brasil Idioma: Inglés Revista: Rev. bras. ciênc. vet Año: 2021 Tipo del documento: Artículo Institución/País de afiliación: Federal Rural University of Rio de Janeiro/BR / Federal University of Jequitinhonha and Mucuri Valleys/BR / Federal University of Mato Grosso/BR / Federal University of Minas Gerais/BR