Browsing Artículos Científicos by Title
Now showing items 32-51 of 563
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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) -
Análisis descriptivo de las condiciones de conservación de un sitio de forrajeo de la tortuga verde del Pacífico (Chelonia mydas agassizii, Testudines: Chelonioidea) en el Golfo Dulce, Costa Rica; se toma como base el estado de salud de la tortuga y el hallazgo de plaguicidas en el ambiente / Descriptive analysis of the conservation conditions of a foraging site for the Pacific green turtle (Chelonia mydas agassizii, Testudines: Chelonioidea) in Golfo Dulce, Costa Rica, based on the turtle’s state of health and the discovery of pesticides in the environment
(Universidad Nacional, Costa Rica, 2015-12-11)El desarrollo de estrategias de manejo, que permitan la conservación de las tortugas marinas y del Golfo Dulce, requiere de insumos relacionados con la condición actual de la salud de estas poblaciones. Diversos estudios ... -
Anopheles albimanus (Diptera: Culicidae) Ensemble Distribution Modeling: Applications for Malaria Elimination
(MDPI, 2022)In the absence of entomological information, tools for predicting Anopheles spp. presence can help evaluate the entomological risk of malaria transmission. Here, we illustrate how species distribution models (SDM) could ... -
Anthelmintic resistance in commercial sheep farms in Costa Rica
(Elsevier B.V., 2021)Forty-eight commercial sheep farms were sampled between the years 2017 and 2019 to evaluate the percentage of reduction of the three families of broad-spectrum anthelmintic drugs available in Costa Rica - benzimidazoles ... -
Antigenic relationship between the animal and human pathogen Pythium insidiosum and nonpathogenic Pythium species
(American Society for Microbiology, 1987)Identification of the newly named pathogenic oomycete Pythium insidiosum and its differentiation from other Pythium species by morphologic criteria alone can be difficult and time-consuming. Antigenic anaysis by ... -
Antimicrobial activity of myotoxic phospholipases A2 from crotalid snake venoms and synthetic peptide variants derived from their C-terminal region
(Elsevier, 2005)A short peptide derived from the C-terminal region of Bothrops asper myotoxin II, a Lys49 phospholipase A2 (PLA2), was previously found to reproduce the bactericidal activity of its parent molecule. In this study, a panel ... -
Antimicrobial activity of the heliangolide chromolaenide and related sesquiterpene lactones
(Pergamon Press, 1980)Some sesquiterpene lactones are known to exhibit antimicrobial activity [1, 2]. More recently, it has been noted that the pseudoguainolide carpesiolin inhibits the growth of Xanthomonas oryzae [3]. Here, we report on ... -
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 ... -
Antimicrobial resistance genes in pigeons from public parks in Costa Rica
(Blackwell Verlag GmbH, 2017)Antimicrobial resistance is known to be an emerging problem, but the extent of the issue remains incomplete. The aim of this study was to determine the pres- ence or absence of nine resistance genes (blaTEM, catI, mecA, ... -
Apparent lack of evidence on selected infectious agents in wild Yellow-naped Amazon parrots: implications for releasing attempts
(Universidad Nacional, Costa Rica, 2015-05-09)Blood and feather samples, as well as oropharyngeal and cloacal swabs, were collected from nine free-ranging Amazona auropalliata between January and May 2009 in two highly modified landscapes in northern Costa Rica. ... -
Application of multiplex quantitative Polymerase chain reaction methods to detect common bacterial fish pathogens in Nile tilapia, Oreochromis niloticus, hatcheries in Costa Rica
(WILEY, 2018-09-29)Edwardsiella spp., Streptococcus spp., and Francisella noatunensis subsp. orientalis are some of the most important fish pathogens affecting global tilapia, Oreochromis spp., aquaculture. In Costa Rica, the aquaculture ... -
Arboviral encephalitis in Costa Rican horses: 2009-2016
(Elsevier, 2016)Arbovirus of the genus Alphavirus and Flavivirus can cause febrile illness and sometimes neurological disease in both humans and animals. West Nile Virus (WNV), Eastern Equine Encephalitis Virus (EEEV), Western Equine ... -
ASGARD+: A New Modular Platform for Bacterial Antibiotic-Resistant Analysis
(Wiley Online Library, 2023-03-09)ASGARD+ (Accelerated Sequential Genome-analysis and Antibiotic Re- sistance Detection) is a command-line platform for automatic identification of antibiotic-resistance genes in bacterial genomes, providing an ... -
Asistencia veterinaria en comunidades indígenas (2007-2012)
(Universidad Nacional, Costa Rica, 2012-07)El objetivo de este proyecto es proporcionar bienestar animal en aras de la salud pública, brindando asistencia veterinaria en comunidades indígenas de Costa Rica. La salud animal y humana van de la mano, por esto, ... -
Aspectos epidemiológicos de la brucelosis en humanos en las Áreas Rectoras Aguas Zarcas y Los Chiles, Costa Rica, 2015-2017
(Universidad Nacional, Costa Rica, 2020-02-02)La brucelosis es una enfermedad zoonótica causada por especies del género Brucella spp., con baja notificación y subregistro en Costa Rica, especialmente en personas y en bovinos. Se determina la seroprevalencia ... -
Aspergillus spp. Isolated from Lungs of Poultry (Gallus gallus) at the Mycology Laboratory, School of Veterinary Medicine, Universidad Nacional, Heredia, Costa Rica between 2008 and 2021 and Associated Factors
(MDPI, 2022-11-30)Aspergillosis is a disease caused by some species of the fungus Aspergillus, occurring in both mammals (including humans) and birds, the latter being the most susceptible group. Aspergillus must be considered a public ... -
Assessing changing weather and the El Niño Southern Oscillation impacts on cattle rabies outbreaks and mortality in Costa Rica (1985–2016)
(BMC Veterinary Research, 2018-09-17)Background: Rabies is a major zoonotic disease affecting humans, domestic and wildlife mammals. Cattle are the most important domestic animals impacted by rabies virus in the New World, leading to thousands of cattle ... -
Assessment of sperm morphology in Zebu bulls, under field conditions in the tropics
(Blackwell, 2001)Sperm morphology was studied in 302 extensively managed Zebu bulls (aged 1.5-9 years), classified as sound (n = 166) or unsound (n = 136) for breeding, under field conditions in the dry tropics of Costa Rica. Single semen ... -
Aterosclerosis en ave cacatúa ninfa (Nymphicus hollandicus): Reporte de un caso en Costa Rica
(Universidad Nacional, Costa Rica, 2022-07)Una cacatúa ninfa (Nymphicus hollandicus), hembra de 10 años, que fallece súbitamente durante la consulta médica, fue evaluada, histopatológicamente, en el laboratorio Unidad de Diagnóstico en Patología Aviar, Escuela de ... -
Atypical cutaneous leishmaniasis in a semiarid region of north-west Costa Rica
(Transactions of the Royal Society of Tropical Medicine and Hygiene, 1989)An outbreak of an unusual cutaneous disease was observed during 1986-1987 in about 200 persons, mainly children, in a few neighbourhoods of the town of Liberia, Guanacaste Province, north-west Costa Rica. Most of the ...