Browsing Artículos Científicos by Title
Now showing items 142-161 of 564
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Deferred bulls: are cycles per conception and pregnancy rate determined by the type of spermiogramme deviation under natural mating?
(Elsevier, 2016)Deferred bulls undergo clinical deviations that could be transitory or have an uncertain potential fertility output. Data in Costa Rica showed no significant differences in conception rate (CR) between sound vs. deferred ... -
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 ... -
Density dependence in a seasonal time series of the bamboo mosquito, Tripteroides bambusa (Diptera: Culicidae)
(Entomological Society of Canada, 2017)The bamboo mosquito, Tripteroides bambusa (Yamada) (Diptera: Culicidae), is a mosquito species ubiquitous across forested landscapes in Japan. During 2014 we sampled adult mosquitoes from May to November using a sweep ... -
Density dependence, landscape, and weather impacts on aquatic Aedes japonicus japonicus (Diptera: Culicidae) abundance along an urban altitudinal Gradient
(Oxford University Press on behalf of Entomological Society of America, 2017-09-20)The Asian Bush Mosquito, Aedes (Finlaya) japonicus japonicus (Theobald) is an important globally invasive mosquito species. In comparison with other major invasive mosquitoes, relatively little is known about Ae. j. ... -
Depletion of complement enhances the clearance of Brucella abortus in mice
(American Society for Microbiology, 2018-08-06)Brucellosis is a bacterial disease of animals and humans. Brucella abortus barely activates the innate immune system at the onset of infection, and this bacterium is resistant to the microbicidal action of complement. Since ... -
Descripción histopatológica de las lesiones oculares y nerviosas en conejos domésticos infectados con Encephalitozoon cuniculi : una revisión.
(Universidad Nacional, Costa Rica, 2013)Este artículo describe las lesiones, a nivel del sistema nervioso central y ojo, en conejos infectados con Encephalitozoon cuniculi. El análisis histopatológico, en conjunto con el uso de tinciones especiales de Ziehl-Neelsen ... -
Detección de agentes zoonóticos (Ehrlichia spp., Rickettsia spp., Anaplasma platys y Borrelia burgdorferii s.l.) en garrapatas recolectadas de perros en Costa Rica
(Universidad Nacional, Costa Rica, 2013)De octubre 2006 a julio del 2007 se recolectaron 165 garrapatas de perros atendidos en clínicas veterinarias ubicadas en el Valle Central (157) y de algunas residencias (8) en cinco provincias de Costa Rica. En el caso ... -
Detección de anticuerpos a Neospora caninum en perros de las zonas urbana, peri urbana y rural del valle central de Costa Rica
(Universidad Nacional, Costa Rica, 2006-12-01)To describe some traits of neosporosis in Costa Rican dogs, a cross sectional study was carried out to determine the presence/absence of N. caninum antibodies. Eighty nine dogs from dairy farms, 65 kennel dogs and 94 from ... -
Detección de anticuerpos anti-Toxocara spp. en caninos de una comunidad periurbana de la provincia de Heredia, Costa Rica
(Universidad Nacional, Costa Rica, 2020-06-29)La toxocariasis es una enfermedad zoonótica cosmopolita causada por nemátodos del género Toxocara. Los perros son hospedadores definitivos de Toxocara canis y pueden ser asintomáticos o presentar signos clínicos inespecíficos. ... -
Detección de anticuerpos contra Trypanosoma cruzi en caninos de Costa Rica
(Universidad Nacional, Costa Rica, 2018-12-02)La enfermedad de Chagas es una enfermedad vectorial zoonótica ocasionada por Trypanosoma cruzi y transmitida, principalmente, por Triatoma dimidata, en Costa Rica. El parásito puede infectar a humanos, animales domésticos ... -
Detección de IHHNV en el cultivo de Litopenaeus vannamei en Costa Rica
(Universidad de Costa Rica, 2021-05-01)Introducción. El virus de la necrosis hipodérmica y hematopoyética infecciosa (IHHNV) produce deformidades cuticulares y reducción del crecimiento del camarón blanco (Litopenaeus vannamei), lo que genera ... -
Detección molecular de Anaplasma platys en perros de Costa Rica
(Universidad Nacional, Costa Rica, 2009-01)En este trabajo, se analizó, mediante la técnica de reacción en cadena de la polimerasa (PCR, Polymerase Chain Reaction, por sus siglas en inglés), la presencia de Anaplasma platys, agente causal de la trombocitopenia ... -
Detection of antibodies against Chlamydophila abortus in Costa Rican sheep flocks
(Open Veterinary Journal, 2015-09-01)A total of 359 sheep samples from 15 flocks were analyzed for the presence of antibodies against Chlamydophila abortus using a commercial Enzyme linked Immunosorbent Assay (ELISA). Antibodies were detected in 19 (5.29%) ... -
Detection of antibodies against flavivirus over time in wild non-human primates from the lowlands of Costa Rica
(PLOS ONE, 2019-07-05)Two-hundred-nine free ranging non-human primates from 31 locations throughout Costa Rica were captured and released between 1993 and 2012, and blood samples, sera or plasma were collected, to detect antigens and antibodies, ... -
Detection of antibodies against Sarcocystis neurona, Neospora spp., and Toxoplasma gondii in horses from Costa Rica
(American Society of Parasitologists, 2011)Serum samples from 315 horses from Costa Rica, Central America, were examined for the presence of antibodies against Sarcocystis neurona, Neospora spp., and Toxoplasma gondii by using the surface antigen (SAG) SnSAG2 ... -
Detection of Babesia caballi and Theileria equi in blood from equines from four indigenous communities in Costa Rica
(Universidad Nacional, Costa Rica, 2015-10-27)A cross-sectional study was carried out in four indigenous communities of Costa Rica to detect presence and prevalence ofBabesiacaballiandTheileria equiand to investigate factors associated with presence of these hemoparasites. ... -
Detection of Babesia caballi and Theileria equi in blood from equines from four indigenous communities in Costa Rica
(Veterinary Medicine International, 2015-11-16)A cross-sectional study was carried out in four indigenous communities of Costa Rica to detect presence and prevalence of Babesia caballi and Theileria equi and to investigate factors associated with presence of these ... -
Detection of Dirofilaria immitis and other arthropod-borne filarioids by an HRM real-time qPCR, blood-concentrating techniques and a serological assay in dogs from Costa Rica
(Parasites and Vectors, 2015-03-23)Background: Canine filarioids are important nematodes transmitted to dogs by arthropods. Diagnosis of canine filariosis is accomplished by the microscopic identification of microfilariae, serology or PCR for filarial-DNA. ... -
Detection of Human Paragonimiasis by ELISA Using Recombinant Paragonimus westermani Cysteine Protease 7
(The American Society of Tropical Medicine and Hygiene, 2023-05)Paragonimiasis is an important but neglected foodborne trematodiasis caused by Paragonimus mexicanus in Costa Rica. Immunological techniques for diagnosing this parasitosis in humans do not exist in Central America. The ... -
Detection of proteins antigenically related to Bothrops asper myotoxin in crotaline snake venoms
(Pergamon Press, 1987-03-05)H. Loxtoxre, E, Moatnvo and J . M. GurtEsaez . Detation of proteins antigenically rdated to Bothrops riper myotoxin in crotaline snake venoms. Tadcon 25, 947 -953, 1987 . - The presence of componrnts antigenically related ...