Now showing items 1-20 of 35

    • A cross-sectional survey of gastrointestinal parasites with dispersal stages in feces from Costa Rican dairy calves 

      Fernández, A; Alfaro, R; Eped, C; Schnieder, T; Jiménez Rocha, Ana Eugenia; Dolz, Gaby; Vargas, Bernardo; Schnieder, T (Elsevier B.V, 2010-07-24)
      A cross-sectional study was carried out to determine the prevalence of gastrointestinal parasites and lungworm nematodes in dairy calves from five different ecoclimatic areas of Costa Rica. Also intensity of infection ...
    • Aislamiento, identificación y caracterización de hongos nematófagos depredadores nativos de Costa Rica 

      Orozco Aceves, Martha; Jiménez Rocha, Ana Eugenia; Acuña Navarro, Oscar; Álvarez Calderón, Víctor (Museo Nacional de Costa Rica, 2015)
      Tropical ecosystems provide biological resources with potential to be used in agricultu- re, for example, the predatory nematophagous fungi (PNF), which can be used as biological control agents of parasitic nematodes ...
    • Baylisascaris procyonis Parasites in Raccoons, Costa Rica, 2014 

      Baldi, Mario; Alvarado, Gilbert; Smith, Steve; Santoro, Mario; Bolaños, Natalie; Jiménez, Carlos; Hutter, Sabine E.; Walzer, Chris (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%. ...
    • Case report: First documented case of cerebral angiostrongyliasis caused by Angiostrongylus costaricensis in a free-ranging opossum 

      Solorzano-Scott, Tamara; Aguilar-Vargas, Fernando; Cordero-Salas, Martha; Conejo, Amanda; Rojas, Alicia; Baldi, Mario (Frontiers, 2024-02-01)
      Angiostrongylus costaricensis is a metastrongyloid nematode that primarily infects the mesenteric arteries of wild rodents. This parasite is endemic in several regions of the American continent, and in humans, causes a ...
    • Caso de Otodectes cynotis en un gato cachorro 

      Vega Solano, Raquel; Jiménez Rochal, Ana E.; Calderón Hernández, Alejandra; BARQUERO-CALVO, ELIAS; Orozco Sánchez, Laura; Solano Rodríguez, José P. (Universidad Nacional, Costa Rica, 2012)
      Otodectes cynotis se conoce como el ácaro de la oreja y causa entre el 50-84% de otitis externa en gatos. Pertenece a la familia Psoroptidae y afecta conejos, gatos, hurones, pe- rros y ratas; principalmente a los ...
    • Cutaneous Leishmaniasis and sand fly fluctuations are associated with El Niño in Panamá 

      Chaves, Luis Fernando; Calzada, José E.; Valderrama, Anayansí; Saldaña, Azael (PLOS ONE, 2014-10)
      Cutaneous Leishmaniasis (CL) is a neglected tropical vector-borne disease. Sand fly vectors (SF) and Leishmania spp parasites are sensitive to changes in weather conditions, rendering disease transmission susceptible to ...
    • Cutaneous Leishmaniasis in dogs: Is high seroprevalence indicative of a reservoir role? 

      CALZADA, JOSÉ E.; SALDAÑA, AZAEL; GONZÁLEZ, KADIR; Rigg, Chystrie A.; PINEDA, VANESSA; SANTAMARÍA, ANA MARÍA; RODRÍGUEZ, INDRA; GOTTDENKER, NICOLE L.; LAURENTI, MARCIA D.; Chaves, Luis Fernando (Cambridge University Press, 2015-05-20)
      American cutaneous leishmaniasis (ACL) is a complex disease with a rich diversity of animal host species. This diversity imposes a challenge, since understanding ACL transmission requires the adequate identification of ...
    • 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 

      Conrad, Joseph; Norman, Jason; Rodriguez, Amalia; Dennis, Patricia M.; Arguedas, Randall; Jimenez, Carlos; Hope, Jenifer; Yabsley, Michael; Hernández, Sonia M. (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 ...
    • Detection of antibodies against Sarcocystis neurona, Neospora spp., and Toxoplasma gondii in horses from Costa Rica 

      Dangoudoubiyam, S.; Víquez, C.; Gómez-García, A.; González, O.; Kwok, O. C. H; Dubey, J.P.; Howe, Daniel K.; ROMERO-ZUÑIGA, JUAN JOSÉ; De Oliveira, Jaqueline B. (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 Human Paragonimiasis by ELISA Using Recombinant Paragonimus westermani Cysteine Protease 7 

      Andrade-Gomes, Luana Gabriele; Zuniga, MarÍa J.; Dolz, Gaby; Solano-Campos, Frank (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 ...
    • Determinación del crecimiento de hongos nematófagosen diversas fuentes de carbono 

      Orozco A, Martha; Acuña N, Oscar; Marín Jiménez, Ana Eugenia; Álvarez C., Víctor (Universidad de Costa Rica, 2015-03-11)
      Las enmiendas orgánicas han sido utilizadas para estimular la acción antagónica de los hongos nematófagos depredadores (HND) del suelo, sin embargo, su uso ha producido resultados inconsistentes en el control de nematodos ...
    • Dictyocaulus viviparus seroprevalence and epidemiology in Costa Rican dairy cattle 

      Fernández, A.; Vargas, B.; Epe, C.; Schnieder, T.; Jiménez Rocha, Ana Eugenia; Dolz, Gaby (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 ...
    • Dueños responsables: concientizando, informando y viendo crecer 

      Palacios Quirós, Esteban; Arias Garro, Nazareth; Chaves Cordero, Catalina; Estrada Pacheco, Andrea; García Campos, Gabriela; Monge Díaz, Luis; Jiménez Rocha, Ana E. (Biocenosis publicación de la Universidad Estatal a Distancia, 2017-03-30)
      El ser humano y las especies domésticas guardan hoy en día una relación muy cercana, la cual puede favorecer la transmisión de agentes zoonóticos y causar enfermedad. Con el objetivo de crear conciencia sobre los propietarios ...
    • Dynamics of infections with gastrointestinal parasites and Dictyocaulus viviparus in dairy and beef cattle from Costa Rica 

      Maranda, L.; Galindo, J.; Epe, C.; Schnieder, T.; Jiménez Rocha, Ana Eugenia; Montenegro Hidalgo, Victor Manuel; Hernández Gamboa, Jorge; Dolz, Gaby (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 ...
    • Emerging Lagochilascaris minor infections in domestic cats from Costa Rica: A zoonotic threat for the region 

      Solano Barquero, Alberto; Estrada, Ana; Medaglia, Alejandro; Rojas, Alicia; Montenegro Hidalgo, Víctor Manuel (Elsevier, 2022)
      Two cases of lagochilascariasis minor in domestic cats from Costa Rica within a period of two months are recorded for the first time in Central America. Clinical findings included purulent discharge and a tumor in the left ...
    • Fasciola hepatica en ganado bovino de carne en Siquirres y lesiones anatomo-histopatológicas de hígados bovinos decomisados en mataderos de Costa Rica. 

      Alpizar Solis, Carlos Ernesto; Oliveira, Jaqueline Bianque; Jiménez Rocha, Ana Eugenia; Hernandez, Jorge; Berrocal Avila, Alexis; Romero-Zúñiga, Juan José (Revista Agronomía Costarricense, 2013-12-01)
      El presente estudio fue realizado con el objetivo de determinar la infección por Fasciola hepatica (F. hepatica) en una finca dedicada al ganado de carne en el cantón de Siquirres, provincia de Limón para caracterizar las ...
    • Fecal and serological survey of Neospora caninum in farm dogs in Costa Rica 

      Hill, D. E.; Dubey, J.P.; Palavicini, Paola; ROMERO-ZUÑIGA, JUAN JOSÉ; Dolz, Gaby; Jiménez Rocha, Ana Eugenia (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 ...
    • First report of bovine neosporosis in dairy cattle in Costa Rica 

      Pérez, E.; González, O.; Dolz, Gaby; Morales, Juan Alberto; Barr, B.; Conrad, P. A. (British Veterinary Association, 1998-05-09)
      NEOSPOROSIS has recently been recognised as a major cause of abortion in dairy cattle worldwide (Barr and others 1990, Duff and Otter 1994, Boulton and others 1995). The disease is caused by the protozoan parasite, ...
    • First report of Lutzomyia (Psychodopygus) bispinosa Fairchild and Hertig (Diptera. Psychodidae) from Costa Rica. 

      Herrero, Marco V.; Jiménez Rocha, Ana Eugenia (Universidad de Costa Rica, 1992)
      Lutzomyia bispinosa had been reported from Belize (Williams 1970), Guatemala (Portes et al. 1987). Honduras (Fairchild and Hertig 1959), Nicaragua (Fairchild an Hertig 1959) and Panamá (Fairchild and Hertig 1951) which ...
    • First report of Trypanosoma vivax infection in sheep from Nicaragua 

      Bonilla, José Luis; Bianque Oliveira, Jaqueline; Flores, Byron; Jiron, William; Sheleby Elías, Jessica (Elsevier Science B.V, 2021-07)
      In Central America, outbreaks of trypanosomiasis by Trypanosoma vivax have been recorded only in cattle. This is the first report of an outbreak of trypanosomiasis by T. vivax in 30 Pelibuey sheep (2 to 7 years old, male ...