Browsing Escuela de Medicina Veterinaria by Title
Now showing items 709-728 of 1065
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Neutrophils dampen adaptive immunity in Brucellosis
(American Society For Microbiology, 2019-04-23)Brucella organisms are intracellular stealth pathogens of animals and humans. The bacteria overcome the assault of innate immunity at early stages of an infection. Removal of polymorphonuclear neutrophils (PMNs) at the ... -
Neutrophils exert a suppressive effect on Th1 responses to intracellular pathogen Brucella abortus
(PLoS Pathogens, 2013-02-14)Polymorphonuclear neutrophils (PMNs) are the first line of defense against microbial pathogens. In addition to their role in innate immunity, PMNs may also regulate events related to adaptive immunity. To investigate the ... -
New and common haplotypes shape genetic diversity in Asian tiger mosquito populations from Costa Rica and Panama
(Oxford University Press, 2015)The Asian tiger mosquito, Aedes albopictus (Skuse) (Diptera: Culicidae), is a vector of sev eral human pathogens. Ae. albopictus is also an invasive species that, over recent years, has expanded its range out of its native ... -
New Bruce-ladder multiplex PCR assay for the biovar typing of Brucella suis and the discrimination of Brucella suis and Brucella canis
(Veterinary Microbiology, 2011-06-11)Rapid and specific identification of Brucella suis at the biovar level is necessary because some of the biovars that infect animals are pathogenic for humans. None of the molecular typing methods described so far are ... -
New insights into Neutrophil Extracellular Trap (NETs) formation from porcine neutrophils in response to bacterial infections
(MDPI, 2022-08-11)Actinobacillus pleuropneumoniae (A.pp, Gram negative) and Streptococcus (S.) suis (Gram positive) can cause severe diseases in pigs. During infection, neutrophils infiltrate to counteract these pathogens with phagocytosis ... -
Niveles de nitratos en forrajes de pastoreo y corta de 30 lecherías especializadas costarricenses.
(Universidad Nacional, Costa Rica, 2022-10)Los nitratos son factores tóxicos que se pueden acumular en los forrajes en ciertas condiciones de clima y fertilización. Fue el objetivo del estudio cuantificarlos en forrajes de 30 lecherías en Costa Rica, durante 2 ... -
Niveles séricos de tetrayodotironina, triyodotironina y cortisol en caninos de Costa Rica mediante un analizador de inmunoensayo
(Universidad Nacional, Costa Rica, 2012)Los intervalos de referencia hormonales varían según el método de medición empleado y el ambiente geoquímico donde las poblaciones se desarrollan. Por ende, cada laboratorio debe contar con intervalos de referencia propios ... -
Nonlinear impacts of climatic variability on the density dependent regulation of an insect vector of disease
(Blackwell, 2011-09)Aedes aegypti is one of the most common urban tropical mosquito species and an important vector of dengue, chikungunya, and yellow fever viruses. It is also an organism with a complex life history where larval stages ... -
Novel genotype of Ehrlichia canis detected in samples of human blood bank donors in Costa Rica
(Ticks and Tick- borne Diseases, 2017-09-23)This study focuses on the detection and identification of DNA and antibodies to Ehrlichia spp. in samples of blood bank donors in Costa Rica using molecular and serological techniques. Presence of Ehrlichia canis was ... -
Objective evaluation for analgesia of the distal interphalangeal joint, the navicular bursa and perineural analgesia in horses with naturally occurring forelimb lameness localised to the foot
(Willey, 2022)Background: The outcome and interpretation of intra-synovial diagnostic analgesia of the distal interphalangeal joint (DIPJ) and the navicular bursa (NB) remain in dis- pute, and no objective studies have been carried ... -
Odontología de Pequeñas Especies con Énfasis en Enfermedad Periodontal en Caninos
(Universidad Nacional, Costa Rica, 2009-09-17)La presente pasantía se realizó entre los meses de junio y octubre del 2008. Consistió en tres etapas. La primera etapa se llevó a cabo en el Hospital de Especies Menores y Silvestres de la Universidad Nacional y en la ... -
Oftalmología veterinaria en especies menores con énfasis en trastornos oculares externos en caninos
(Universidad Nacional, Costa Rica, 2014-01-22)La finalidad primordial de este trabajo, fue adquirir experiencia y destrezas en el reconocimiento y abordaje de las afecciones del ojo canino, sobre todo el diagnóstico de los trastornos oculares externos, los cuales ... -
Olor de repelentes ahuyenta a mapaches
(Oficina de Comunicación, Universidad Nacional, 2021-09)Aparte de las clásicas medidas para controlar las poblaciones de mapaches en zonas urbanas, como el manejo adecuado de residuos en contenedores “a prueba de mapaches”, limitar el acceso a refugios en casas y edificios, ... -
Optimización de técnicas de PCR para la detección de Salmonella enterica (serotipo Gallinarum) en aves de corral de Costa Rica
(UNED, 2022-02-21)Introducción: La tifosis aviar y la pulorosis, enfermedades ocasionadas por Salmonella enterica subsp. enterica (serotipo Gallinarum, biotipos Gallinarum y Pullorum), son responsables de una elevada mortalidad en aves ... -
Organogénesis in vitroen Dalbergia retusa (Papilonaceae)
(Universidad de Costa Rica., 2004-03)Plants were obtained via organogenesis from hypocotyl explants of Dalbergia retusafrom in vitrogerminated seedlings. Adventitious bud induction was achieved on Murashige and Skoog medium containingfive BA ... -
Orthotopic bone regeneration within 3D printed bioceramic scaffolds with region-dependent porosity gradients in an equine model
(WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2020-03-03)The clinical translation of three-dimensionally printed bioceramic scaffolds with tailored architectures holds great promise toward the regeneration of bone to heal critical-size defects. Herein, the long-term in vivo ... -
Osteosarcoma apendicular canino
(Universidad Nacional, Costa Rica, 2007-06-13)El presente trabajo consistió en una práctica dirigida de 6 meses en el Laboratorio de Patología Veterinaria de la Escuela de Medicina Veterinaria de la Universidad Nacional y de un estudio con énfasis en el osteosarcoma ... -
Osteosarcoma extraesquelético retroperitoneal en un perro : reporte de un caso
(Universidad Nacional, Costa Rica, 2016-05-06)Se presentó un perro, de raza mixta, no castrado, 15 años de edad, con hiporexia, constipación, letargia y dolor abdominal. En el examen físico, se identificó una masa intraabdominal. Las pruebas hematológicas evidenciaron ... -
Overwintering in the Bamboo Mosquito Tripteroides bambusa (Diptera: Culicidae) during a warm, but unpredictably changing, winter
(Oxford University Press on behalf of Entomological Society of America, 2018)The bamboo mosquito, Tripteroides bambusa (Yamada) (Diptera: Culicidae), is a common insect across forested landscapes in Japan. Several studies have reported its overwintering as larvae and eggs, in both natural ... -
Pansusceptible Escherichia Coli isolates obtained from faeces of free-ranging baird's tapirs (Tapirus Bairdii) suggests a low selective pressure for resistance determinants in the Northwestern Region of the Talamanca Mountain Range, Costa Rica
(Elsevier, 2018-09-27)Objectives The main objective of this study was to analyse the antimicrobial susceptibility profile of Escherichia coli isolates obtained from faecal samples of free-ranging Baird’s tapirs (Tapirus bairdii) in the ...