Facultad de Ciencias de la Salud: Recent submissions
Now showing items 701-720 of 1554
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Analysis of the most common causes of viscera condemnation in pigs (liver, kidney, heart), in a slaughterhouse of Costa Rica, and its economical implication
(M. & H. Schaper GmbH & Co., 2011)This is an analysis of the causes and costs of rejection of viscera from the daily post-mortem meat inspection records from a slaughterhouse located in the Metro politan area of the Central Valley. The records examined ... -
Antimicrobial resistance and genetic diversity of Campylobacter spp. isolated from broiler chicken at three levels of the poultry production chain in Costa Rica
(International Association for Food Protection, 2021-07-29)Campylobacter spp. are considered the most common bacterial cause of human gastroenteritis, one of the four main causes of diarrheal disease worldwide, and they are one of the main foodborne pathogens causing hospitalizations ... -
National Seroprevalence and Risk Factors for Eastern Equine Encephalitis and Venezuelan Equine Encephalitis in Costa Rica
(Elsevier, 2020-06-02)Eastern equine encephalitis and Venezuelan equine encephalitis are endemic neglected tropical diseases in the Americas, causing encephalitis in both horses and humans. In 2013, a cross-sectional study was performed in ... -
Determinación de intervalos básicos de salud en tortugas resbaladoras (Trachemys scripta emolli ) del Refugio de Vida Silvestre Caño Negro, Costa Rica
(Universidad Nacional, Costa Rica, 2020-07-31)El objetivo de este trabajo es determinar los parámetros sanguíneos y la presencia de parásitos en una población salvaje de tortugas deslizantes (Trachemys scripta emolli), durante la estación ... -
In vivo animal models confrm an increased virulence potential and pathogenicity of the NAP1/RT027/ST01 genotype within the Clostridium difcile MLST Clade 2
(BioMed Central, 2020-09-22)Background: Based on MLST analyses the global population of C. difcile is distributed in eight clades, of which Clade 2 includes the “hypervirulent” NAP1/RT027/ST01 strain along with various unexplored sequence types ... -
Brucella genomics: macro and micro evolution
(MDPI AG, 2020-10-20)Brucella organisms are responsible for one of the most widespread bacterial zoonoses, named brucellosis. The disease affects several species of animals, including humans. One of the most intriguing aspects of the brucellae ... -
Environmental factors associated with Toxoplasma gondii exposure in Neotropical Primates of Costa Rica
(Frontiers in Veterinary Science, 2020-10-22)The apicomplexan parasite Toxoplasma gondii (T. gondii) has been found in more than 350 species of homoeothermic vertebrates in diverse climates and geographic areas. In most animals, T. gondii produces mild or asymptomatic ... -
Cutaneous myofibroblastic fibrosarcoma in a margay (Leopardus wiedii): a case report
(Brazilian Association of Veterinary Pathology, 2020-11)A routine check-up was performed on a captive 14-year-old female margay (Leopardus wiedii), a cutaneous mass was detected on the ventral thorax. The mass was surgically removed and sent for histopathological analysis. ... -
Efecto de la época y los días de rebrote sobre la producción y la calidad nutritiva de pastos en Costa Rica
(Universidad Nacional, Costa Rica, 2018-08)El presente estudio tuvo como objetivo contribuir a la mejora de la producción de carne y leche bovina de Costa Rica, mediante el adecuado manejo de los principales pastos utilizados en la alimentación del ganado, según ... -
An Anatomical and Radiographic Study on the Vertebral Column of the Two-Toed Sloth (Choloepus hoffmanni)
(Universidad Nacional, Costa Rica, 2021-04-23)El Choloepus hoffmanni es un mamífero del superorden Xenarthra que se distribuye desde América Central hasta América del Sur. Estos animales comúnmente llegan a los centros de atención y valoración de fauna silvestre ... -
Análisis de las causas más frecuentes de decomisos de vísceras en cerdos, en un matadero de Costa Rica y su implicación económica
(Revista Porcicultura Iberoamericana, 2011) -
Histopathological findings of infections caused by canine distemper virus, Trypanosoma cruzi, and other parasites in two free-ranging White-nosed Coatis Nasua narica (Carnivora: Procyonidae) from Costa Rica
(Zoo Outreach Organisation, 2021-01-26)Canine distemper virus (CDV) causes systemic infections and immunosuppression in carnivores, which subsequently makes animals highly susceptible to opportunistic infections. Although Trypanosoma cruzi infects procyonids, ... -
Medición de las emisiones de óxido nitroso y metano entérico en ganado Brahman bajo pastura tipo cayman (Brachiaria hybrid cv) en la estación experimental los Diamantes
(Universidad Nacional, Costa Rica, 2017-06)In the first study, the objective of this study was to quantify the daily pattern of nitrous oxide (N2O) emissions in a Brachiaria hybrid cv under grazing with Brahman cattle, located at the experimental station Los Diamantes ... -
Uso de marcadores genéticos para análisis de diversidad genética y pruebas de verificación de identidad y paternidad en bovinos Brahman registrados en Costa Rica
(Universidad Nacional, Costa Rica, 2017-08)El presente estudio tuvo como objetivos estimar parámetros genéticos para el análisis de diversidad e implementar el uso de pruebas de ADN por microsatélites con fines de identificación y verificación de paternidad en ... -
Efecto de factores genéticos y ambientales sobre lesiones podales en el ganado lechero de Costa Rica
(Universidad Nacional, Costa Rica, 2017-04)El objetivo de este estudio fue determinar el efecto de factores genéticos y ambientales sobre la ocurrencia de lesiones podales (LP) en ganado lechero de Costa Rica. Se analizó información histórica proveniente de 358 ... -
Variabilidad climática en las Regiones Norte, Central y Caribe y su asociación con variables productivas en fincas lecheras costarricenses
(Universidad Nacional, Costa Rica, 2017-11)Esta investigación se realizó con el objetivo de cuantificar la variabilidad climática para tres zonas de importancia agropecuaria de Costa Rica y su posible asociación con variables productivas y reproductivas en los hatos ... -
A Sinorhizobium meliloti and Agrobacterium tumefaciens ExoR ortholog is not crucial for Brucella abortus virulence
(PLOS ONE, 2021-08-13)Brucella is a facultative extracellular-intracellular pathogen that belongs to the Alphaproteo- bacteria class. Precise sensing of environmental changes and a proper response mediated by a gene expression regulatory ... -
Demographic and pathogens of domestic, free-roaming pets and the implications for wild carnivores and human health in the San Luis Region of Costa Rica
(MDPI AG, 2021-04-20)Habitat loss and degradation, restricted ranges, prey exploitation, and poaching are important factors for the decline of several wild carnivore populations and additional stress from infectious agents is an increasing ... -
Factores que afectan la edad al primer parto y la producción de la primera lactancia, en vacas de hatos lecheros especializados de Costa Rica, durante los años 2013 al 2015
(Universidad Nacional, Costa Rica, 2018)Se determina el efecto de los factores de animal y ambiente, sobre la edad al primer parto (EPP) y la producción de la primera lactancia (PPL), en vacas de hatos lecheros especializados de Costa Rica, durante el período ... -
Effect of the use of probiotic Bacillus subtilis (QST 713) as a growth promoter in broilers: an alternative to bacitracin methylene disalicylate
(Elsevier Inc. on behalf of Poultry Science Association Inc, 2021-06-29)The global poultry trend toward the more responsible use of antibiotics is becoming recurrent and has demanded the need to generate new natural alternatives. Probiotics have gained importance as an option to use as growth ...