Facultad de Ciencias de la Salud: Recent submissions
Now showing items 541-560 of 1554
-
Rickettsioses in Latin America, Caribbean, Spain and Portugal
(Revista MVZ Córdoba, 2011-05-10)Data on genus and infectious by Rickettsia were retrospectively compiled from the critical review literature regarding all countries in Latin America, Caribbean islands, Portugal and Spain. We considered all Rickettsia ... -
Dictyocaulus viviparus seroprevalence and epidemiology in Costa Rican dairy cattle
(Elsevier B.V, 2008-07-04)A cross-sectional serological survey of Dictyocaulus viviparus was carried out to determine the prevalence of lungworm infections in 28 dairy cattle farms distributed in five selected areas from Costa Rica. The influence ... -
Dynamics of infections with gastrointestinal parasites and Dictyocaulus viviparus in dairy and beef cattle from Costa Rica
(Elsevier B.V, 2007-09-30)A longitudinal survey was carried out to determine and describe the prevalence and intensity of gastrointestinal parasite infections and Dictyocaulus viviparus in a dairy and a beef cattle farm of two different ecological ... -
Centrocestus formosanus (Opisthorchiida Heterophyidae) como causa de muerte de alevines de tilapia gris Oreochromis niloticus (Perciforme Cichlidae) en el Pacífico seco de Costa Rica
(Revista de Biología Tropical, 2010-07-23)Centrocestus formosanus (Opisthorchiida: Heterophyidae) as a cause of death in gray tilapia fry Oreochromis niloticus (Perciforme: Cichlidae) in the dry Pacific of Costa Rica. Centrocestus formosanus is a zoonotic trematode ... -
Prevalence of Toxocara spp., Toxascaris leonina and ancylostomidae in public parks and beaches in different climate zones of Costa Rica
(Elsevier B.V, 2007-06-19)This epidemiological study was conducted in different regions of Costa Rica to determine the prevalence of the developmental stages of potential zoonotic intestinal helminths of dogs and cats in public places. Samples ... -
First isolation and molecular characterization of Ehrlichia canis in Costa Rica, Central America
(Elsevier B.V, 2010-07-23)The present study investigated Ehrlichia species in blood samples from dogs suspected of clinical ehrlichiosis, using molecular and isolation techniques in cell culture. From a total of 310 canine blood samples analyzed ... -
Fecal and serological survey of Neospora caninum in farm dogs in Costa Rica
(Elsevier B.V, 2017-11-10)To detect oocysts of Neospora caninum in dog feces and to determine the excretion pattern in dogs from specialized dairy farms in Costa Rica, a total of 265 fecal samples from 34 dogs were collected at intervals from ... -
Seroprevalence of Viral Infections in Domestic Cats in Costa Rica
(Universidad Nacional, Costa Rica, 2018-12-13)A cross-sectional survey of a convenient sample of domestic cats from Costa Rica’s greater metropolitan area was carried out to determine the prevalence of antibodies against feline herpesvirus type 1 (FHV-1), feline ... -
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 ... -
Neutralizing antibodies against vesicular stomatitis viruses (serotypes New Jersey and Indiana) in horses in Costa Rica
(AAVLD, 2002-09-01)Serum samples were collected from domestic horses in 4 different regions of Costa Rica to detect antibodies against vesicular stomatitis viruses, serotypes New Jersey (VSV-NJ) and Indiana (VSV-IN). A total of 214 samples ... -
Brucella evades macrophage killing via VirB-dependent sustained interactions with the endoplasmic reticulum
(The Rockefeller University Press, 2003-01-18)The intracellular pathogen Brucella is the causative agent of brucellosis, a worldwide zoonosis that affects mammals, including humans. Essential to Brucella virulence is its ability to survive and replicate inside host ... -
Brucella abortus transits through the autophagic pathway and replicates in the endoplasmic reticulum of nonprofessional phagocytes
(American Society for Microbiology, 1988-09-01)Brucella abortus is an intracellular pathogen that replicates within a membrane-bounded compartment. In this study, we have examined the intracellular pathway of the virulent B. abortus strain 2308 (S2308) and the attenuated ... -
Brucella abortus lipopolysaccharide in murine peritoneal macrophages acts as a down-regulator of T cell activation
(The American Association of Immunologists, Inc., 2000)Macrophages play a central role in host immune responses against pathogens by acting as both professional phagocytic cells and as fully competent APCs. We report here that the LPS from the facultative intracellular ... -
Brown rats (Rattus norvegicus) in urban ecosystems: are the constraints related to fieldwork a limit to their study?
(Springer, 2018-07-05)Nowadays, the majority of human beings live in urban ecosystems, with this proportion expected to continue increasing in the future. With the growing importance of urban rat-associated issues (e.g. damages to urban ... -
Breeding soundness evaluation of extensively managed bulls in Costa Rica
(Elsevier, 1999-02-17)This paper describes the results of single breeding soundness evaluations (BSE) in 898 Bos indicus, Bos taurus and B. indicus x B. taurus bulls, 1 to 12 yr. old, extensively reared in different climatic regions of Costa ... -
Bovine Leukaemia‐virus infection in Costa Rica
(Blackwell Wissenschaft, 1995)The geographical distribution of bovine leukaemia‐virus (BLV)‐infected herds in Costa Rica and the isolation of BLV from cases of enzootic bovine leukosis are presented. It was found that BLV is prevalent throughout the ... -
Bone lesions caused by pythium insidiosum in a horse
(Oxford University Press, 1987-10-02)A 5-year-old, female saddle horse developed a tumoral mass anterolaterally on the metacarpal region of its right front leg. Histopathological study showed hyaline, aseptate, broad hyphae in the sequestered coral-like ... -
Comparison of the serum neutralization test and a competitive enzyme-linked immunosorbent assay for the detection of antibodies to vesicular stomatitis virus New Jersey and vesicular stomatitis virus Indiana
(AAVLD, 2002-05-01)A competitive enzyme-linked immunosorbent assay (C-ELISA) for the detection of antibodies against vesicular stomatitis virus New Jersey (VSV-NJ) and vesicular stomatitis virus Indiana (VSV-IN) was compared with the serum ... -
Body distribution of Bothrops asper (terciopelo) snake venom myotoxin and its relationship to pathological changes
(Pergamon Press, 1987-10-23)E. Moreno and J. M. Gutiérrez. Body distribution of Bothrops asper (terciopelo) snake venom myotoxin and its relationship to pathological changes. Toxicon 26, 403 - 409, 1988. - The distribution of 125I-labelled Bothrops ... -
Biologic and genetic characteristics of Toxoplasma gondii isolates in free-range chickens from Costa Rica, Central America
(Elsevier B.V, 2006-02-23)The prevalence of Toxoplasma gondii in free-ranging chickens is a good indicator of the prevalence of T. gondii oocysts in the soil because chickens feed from the ground. The prevalence of T. gondii in 144 free-range ...