Browsing Artículos Científicos by Title
Now showing items 447-466 of 598
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Persistence of Brucella abortus in the bone marrow of infected mice
(Journal of Immunology Research, 2018-12-03)Brucellosis is a zoonotic bacterial infection that may persist for long periods causing relapses in antibiotic-treated patients. The ability of Brucella to develop chronic infections is linked to their capacity to invade ... -
Persistence of Brucella abortus lineages revealed by genomic characterization and phylodynamic analysis
(PLOS Neglected Tropical Diseases, 2020-04-14)Brucellosis, caused by Brucella abortus, is a major disease of cattle and humans worldwide distributed. Eradication and control of the disease has been difficult in Central and South America, Central Asia, the Mediterranean ... -
Phenotypes controlled by the Brucella abortus two component system BvrR/BvrS are differentially impacted by BvrR phosphorylation
(Frontiers Media S.A, 2023-05-10)Brucella abortus is a zoonotic pathogen whose virulence depends on its ability to survive intracellularly at the endoplasmic reticulum derived compartment. The two-component system BvrR/BvrS (BvrRS) is essential for ... -
Phylogenetic and Mutation Analysis of the Venezuelan Equine Encephalitis Virus Sequence Isolated in Costa Rica from a Mare with Encephalitis
(MDPI, 2022-05-28)Venezuelan Equine Encephalitis virus (VEEV) is an arboviral pathogen in tropical America that causes lethal encephalitis in horses and humans. VEEV is classified into six subtypes (I to VI). Subtype I viruses are divided ... -
Platelet depletion does not alter the course of Brucella abortus infection in vivo
(Elsevier, 2022-02-23)Brucellosis is a bacterial disease of animals and a zoonotic infection. Thrombocytopenia is a common outcome in long-lasting brucellosis in humans. Likewise, ex vivo experiments have shown that platelets may play a role ... -
Prácticas de diagnóstico y control de parásitos de caninos y felinos en 50 clínicas veterinarias del área metropolitana de Costa Rica*
(Universidad Nacional, Costa Rica, 2008)Con el objetivo de conocer los procedimientos de diagnóstico y recomendaciones para el control de parásitos gastrointestinales (PGI) de caninos y felinos, se entrevistó a 50 médicos veterinarios que laboran en el gran ... -
Prácticas de manejo y uso de antiparasitarios internos en fincas lecheras artesanales de Costa Rica
(Universidad Nacional, Costa Rica, 2007)Con el objetivo de recabar información sobre las prácticas de manejo de antiparasitarios internos y el control de helmintos por parte de los productores, se implementó una encuesta en 60 fincas lecheras de Costa Rica durante ... -
Premio Nacional a la Calidad: el caso del Programa Gusano Barrenador
(ICAP-Revista Centroamericana de Administración Pública, 2011-05-30)A finales del 2010 el Programa Gusano Barrenador-Vigilancia Epidemiológica participó en el concurso de Calidad Nacional y Prácticas Promisorias que desarrolló el Ministerio de Planificación Nacional y Política Económica, ... -
Presence and potential distribution of malaria‑infected New World primates of Costa Rica
(Malaria Journal, 2022-01-08)Background: In South and Central America, Plasmodium malariae/Plasmodium brasilianum, Plasmodium vivax, Plasmodium simium, and Plasmodium falciparum has been reported in New World primates (NWP). Specifically in Costa Rica, ... -
Presence of Maedi-Visna in Costa Rican sheep flocks
(Small Ruminant Research, 2015-01-22)A total of 359 sheep serum samples from 15 farms were analyzed for the presence of antibodies against Maedi Visna Virus (MVV) by Enzyme-linked Immunosorbent Assay (ELISA). Additionally, a survey was applied to the sheep ... -
Presencia de hongos y contaminación con micotoxinas en ensilajes para alimentación de rumiantes: Artículo de Revisión
(Universidad Nacional, Costa Rica, 2015-06-01)Diversos estudios han identificado el crecimiento de hongos en forrajes ensilados para alimentar rumiantes domésticos, capaces de producir toxinas de importancia para la salud pública y animal. El objetivo de esta ... -
Prevalence and risk factors for Trichomonas foetus infection in cattle in northeastern Costa Rica
(Elsevier, 1992-05-27)Two studies (one pilot and one cross-sectional) were conducted in the two main livestock-rearing areas of Costa Rica using an improved method (In-Pouch TF) for the detection of Trichomonas foetus infection in bulls. Herd ... -
Prevalence Estimation, Antimicrobial Susceptibility, and Serotyping of Salmonella enterica Recovered from New World Non-Human Primates (Platyrrhini), Feed, and Environmental Surfaces from Wildlife Centers in Costa Rica
(MDPI, 2023)Concern about zoonoses and wildlife has increased. Few studies described the role of wild mammals and environments in the epidemiology of Salmonella. Antimicrobial resistance is a growing problem associated with Salmonella ... -
Prevalence of antibodies to bovine paratuberculosis detected by a LAM-ELISA in Costa Rica
(British Veterinary Association, 1999-03)In Costa Rica the diagnosis of Johne's disease has been based on clinical, histopathological and bacteriological evidence and cutaneous testing; however, the prevalence of the disease at the national level is unknown. ... -
Prevalence of paratuberculosis (Mycobacterium avium subspecies paratuberculosis) in specialized dairy herds in Costa Rica
(Universidad Nacional, Costa Rica, 2015-09-30)A cross-sectional study was conducted in 194 specialized dairy herds in Costa Rica, to determine the prevalence of Mycobacterium avium subspecies paratuberculosis (MAP) in herds at a national level and by administrative ... -
Prevalence of Psittacine Beak and Feather Disease Virus and Avian Polyomavirus in Captivity Psittacines from Costa Rica
(Scientific Research, 2013-08)Psittacine beak and feather disease virus (PBFDV) and avian polyomavirus (APV) are the most common viral diseases in psittacine birds, both affecting feathers and physical appearance of birds. Between 2005 and 2009, a total ... -
Prevalence of Toxocara spp., Toxascaris leonina and ancylostomidae in public parks and beaches in different climate zones of Costa Rica
(Elsevier B.V, 2007-06-19)This epidemiological study was conducted in different regions of Costa Rica to determine the prevalence of the developmental stages of potential zoonotic intestinal helminths of dogs and cats in public places. Samples ... -
Prevalence, resistance patterns, and risk factors for antimicrobial resistance in bacteria from retail chicken meat in Colombia
(International Association for Food Protection, 2015)As a step toward implementing the Colombian Integrated Program for Antimicrobial Resistance Surveillance (COIPARS), this study aimed to establish the baseline antimicrobial resistance patterns of Salmonella serovars, ... -
Prevalencia de fasciolosis en bovinos de Costa Rica (2014). Comparación de cuatro técnicas para su diagnóstico [Prevalencia de fasciolosis en bovinos de Costa Rica (2014). Comparación de cuatro técnicas diagnósticas]
(Escuela de Medicina Veterinaria, 2016-07-04)A cross-sectional study was done to determine the prevalence of fasciolosis in cattle slaughtered in abattoirs of Costa Rica and to compare 4 different diagnostic techniques (macroscopic examination of the livers, standard ... -
Prevalencia, incidencia y factores de riesgo de mastitis subclínica en lecherías especializadas en Colombia
(Universidad de Costa Rica, 2021)Introducción. La mastitis subclínica (MSC) es una de las principales enfermedades en bovinos; estudiar su epidemiología es fundamental para implementar programas de salud. Objetivo. Determinar la prevalencia, la incidencia ...