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Salmonella contamination risk points in broiler carcasses during slaughter line processing
(Universidad Nacional, Costa Rica, 2014-08-08)
Salmonella is one of the foodborne pathogens most commonly associated with poultry products. The aim of this work was to identify and analyze key sampling points creating risk of Salmonella contamination in a chicken ...
Vector-borne pathogens in dogs from Costa Rica: first molecular description of Babesia vogeli and Hepatozoon canis infections with a high prevalence of monocytic ehrlichiosis and the manifestations of co-infection
(Veterinary Parasitology, 2014-01-31)
Infection with canine vector-borne pathogens was evaluated in dogs from four different regions of Costa Rica by PCR. Demographic data, clinical signs, packed cell volume values, and the presence of tick infestation were ...
Building a combined targeted selective treatment scheme against gastrointestinal nematodes in tropical goats
(Small Ruminant Research, 2014-09)
The design and validation of a combined targeted selective treatment (C-TST) scheme to control gastrointestinal nematodes (GIN) of goats under tropical conditions is described. A survey performed on 1585 goats (older than ...
The NS segment of H5N1 avian influenza viruses (AIV) enhances the virulence of an H7N1 AIV in chickens
(Veterinary Research, 2014-01-25)
Some outbreaks involving highly pathogenic avian influenza viruses (HPAIV) of subtypes H5 and H7 were caused by avian-to-human transmissions. In nature, different influenza A viruses can reassort leading to new viruses ...
Neuroinvasion of the highly pathogenic influenza virus H7N1 is caused by disruption of the blood brain barrier in an avian model
(PLOS ONE, 2014-12-15)
Influenza A virus (IAV) causes central nervous system (CNS) lesions in avian and mammalian species, including humans. However, the mechanism used by IAV to invade the brain has not been determined. In the current work, we ...
Purification of intracellular bacteria: isolation of viable Brucella abortus from host cells
(Springer Science, Business Media Nueva York, 2014, 2014)
The pathogenesis of brucellosis depends on the ability of bacteria from the genus Brucella to invade and
replicate within animal cells. To understand the molecular pathways used by Brucella spp. to reach its
intracellular ...
Pasantía en el Laboratorio de Análisis Clínicos de la Escuela Medicina Veterinaria, Universidad Nacional
(Universidad Nacional, Costa Rica, 2014-03-07)
La pasantía fue realizada en el Laboratorio de Análisis Clínicos de la Escuela de
Medicina Veterinaria de la Universidad Nacional, entre el 8 de mayo al 6 de setiembre del
2013.
Durante este periodo, se participó en la ...
Chlamydophila abortus en ganado lechero de la zona norte de Heredia y Alajuela, Costa Rica
(Universidad Nacional, Costa Rica, 2014-02-13)
Establece la presencia de Chlaydophila abortus en las fincas lecheras de la zona norte de Heredia y Alajuela mediante la determinación de anticuerpos. Se analizaron sueros de bovinos especializados en producción de leche, ...
Pasantía en Buiatría de bovinos especializados en producción lechera de la Zona del Volcán Poás y Vara Blanca.
(Universidad Nacional, Costa Rica, 2014-02-21)
El presente trabajo describe una pasantía realizada en Buiatría en la zona del volcán Poás y
Varablanca en un periodo de cuatro meses (10 mayo al 16 septiembre del 2013). Durante la
pasantía se realizaron visitas programadas ...
Ehrlichia spp. y Rickettsia spp. en sangre y ectoparásitos de caninos que visitan áreas recreativas de Costa Rica
(Universidad Nacional, Costa Rica, 2014-03-11)
Esta investigación constituye el primer estudio transversal que combina las técnicas
diagnósticas de la Inmunocromatografía de Membrana (ICM), Inmunofluorescencia Indirecta
(IFI), Reacción en Cadena de la Polimerasa (PCR) ...