Browsing Artículos Científicos by Title
Now showing items 41-60 of 598
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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 ... -
Backfat thickness does affect the restoration of ovarian activita postpartum in different breeding programs in zebu cattle
(Frontiers in Veterinary Science, 2021-12-09)The backfat thickness (BFT) was used to forecast the onset of ovarian activity and predict the calf growth. Eighty Brahman cows with their calves were allocated in two groups of 40 distributed in 4 months according to ... -
Backyard Chicken Flocks Pose a Disease Risk for Neotropic Birds in Costa Rica
(American Association of Avian Pathologists, 2008)Pathogens of free-ranging chickens create a risk of disease for wild birds, some of which migrate to the United States, as well as potential economic losses for resource-poor farmers. Free-roaming backyard chickens are ... -
Bacterial counts in spleen
(Bio-protocol, 2013-11-05)Bacterial loads can be determined as colony forming units (CFU) at any point of the infection by culturing spleen homogenates on agar plates. This is a reliable method for comparing the kinetics of infection in various ... -
Bactericidal activity of Lys49 and Asp49 myotoxic phospholipases A2 from Bothrops asper snake venom Synthetic Lys49 myotoxin II-(115−129)-peptide identifies its bactericidal region
(FEBS, 1998)Mammalian group-II phospholipases A2 (PLA2) of inflammatory fluids display bactericidal properties, which are dependent on their enzymatic activity. This study shows that myotoxins II (Lys49) and III (Asp49), two group-II ... -
Bactericidal and Antiendotoxic Properties of Short Cationic Peptides Derived from a Snake Venom Lys49 Phospholipase A2
(American Society for Microbiology, 2005-04)The activities of short synthetic, nonhemolytic peptides derived from the C-terminal region of myotoxin 11, a catalytically inactive phospholipase A(2) homologue present in the venom of the snake Bothrops asper, have been ... -
Baylisascariasis como diagnóstico diferencial larva migrans en humanos, Costa Rica
(Universidad de Costa Rica, 2018-04-25)Baylisascariasis es una enfermedad causada por una animales, clasificada como una zoonosis emergente de importancia en salud pública. El agente causal es el nemátodo Baylisascaris procyonis, siendo su huésped definit de ... -
Baylisascaris procyonis Parasites in Raccoons, Costa Rica, 2014
(Centers for Disease Control and Prevention, 2016-08)To the Editor: Baylisascaris procyonis (Ascaridoi- dea: Ascarididae) parasites are facultatively heteroxenous nematodes that are widely distributed in the United States and Canada, where prevalence rates reach 70%–90%. ... -
Baylisascaris procyonis un nemátodo del mapache urbano, agente zoonótico emergente por considerar como diagnóstico diferencial de larva migrans en Costa Rica. Revisión.
(Universidad Nacional, Costa Rica, 2017-03-17)Resumen: El ascaridio Baylisascaris procyonis es un agente parasitario de importancia para la salud pública, siendo su huésped definitivo el mapache común (Procyon lotor). Un nuevo informe alerta sobre la presencia de ...