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Microbiological contaminations of laboratory mice and rats in conventional facilities in ArgentinaContaminations in mice and rats facilities in Argentina / Contaminaciones microbiológicas de ratones y ratas de laboratorio en bioterios convencionales de Argentina
Carriquiriborde, Martín; Milocco, Silvana; Laborde, Juan Martín; Gentil, Florencia; Maschi, Fabricio; Principi, Guido; Rogers, Estela; Cagliada, María del Pilar; Ayala, Miguel Angel; Carbone, Cecilia.
  • Carriquiriborde, Martín; National University of La Plata. AR
  • Milocco, Silvana; National University of La Plata. AR
  • Laborde, Juan Martín; National University of La Plata. AR
  • Gentil, Florencia; National University of La Plata. AR
  • Maschi, Fabricio; National University of La Plata. AR
  • Principi, Guido; National University of La Plata. AR
  • Rogers, Estela; National University of La Plata. AR
  • Cagliada, María del Pilar; National University of La Plata. AR
  • Ayala, Miguel Angel; National University of La Plata. AR
  • Carbone, Cecilia; National University of La Plata. AR
Rev. argent. microbiol ; 52(2): 21-30, jun. 2020. graf
Article in English | LILACS-Express | LILACS | ID: biblio-1155693
ABSTRACT
Abstract Routine microbiological monitoring of rodent colonies in animal facilities is essential to evaluate the health status of the animals used in research studies. In the present study, animals were examined for the presence of selected microbial infections. In order to determine the contamination rates of mice and rats in Argentina, animals from 102 conventional facilities were monitored from 2012 to 2016. The most frequent bacteria isolated were Pseudomonas aeruginosa and Proteus spp. The common parasites identified were Syphacia spp. and Tritrichomonas spp. Serological assays demonstrated the highest prevalence for Mouse hepatitis virus in mice and Sialodacryoadenitis virus in rats. The results indicate that there is a high incidence of infections, so it is suggested that an efficient management system and effective sanitary barriers should be implemented in conventional facilities in Argentina in order to improve sanitary standards.
RESUMEN
Resumen Los controles microbiológicos de rutina en colonias de roedores en bioterios son esenciales para evaluar el estado de salud de los animales que se utilizan en las investigaciones. En el presente estudio se examinaron animales de bioterios de Argentina con el objeto de detectar la presencia de infecciones microbianas seleccionadas. Con el fin de determinar los porcentajes de contaminaciones en estos individuos, se controlaron animales de 102 bioterios convencionales entre 2012 y 2016. Las bacterias más frecuentes aisladas fueron Pseudomonas aeruginosa y Proteus spp. Los parásitos comunes identificados fueron Syphacia spp. y Tritrichomonas spp. Los ensayos serológicos demostraron la mayor prevalencia del virus de hepatitis del ratón en ratones y del virus de la Syalodacryoadenitis en ratas. Los resultados indican que hay una alta incidencia de infecciones, por lo que se sugiere que se debe implementar un sistema de gestión eficiente y barreras sanitarias eficaces en instalaciones convencionales en Argentina con el objeto de mejorar los estándares sanitarios.


Full text: Available Index: LILACS (Americas) Type of study: Risk factors Country/Region as subject: South America / Argentina Language: English Journal: Rev. argent. microbiol Journal subject: Microbiology Year: 2020 Type: Article Affiliation country: Argentina Institution/Affiliation country: National University of La Plata/AR

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Full text: Available Index: LILACS (Americas) Type of study: Risk factors Country/Region as subject: South America / Argentina Language: English Journal: Rev. argent. microbiol Journal subject: Microbiology Year: 2020 Type: Article Affiliation country: Argentina Institution/Affiliation country: National University of La Plata/AR