Now showing items 1-6 of 6

    • Anthelmintic resistance in commercial sheep farms in Costa Rica 

      Castro Arnáez, Isabel Cristina; Álvarez Calderón, Victor; Soto Barrientos, Natalia; Montenegro Hidalgo, Victor Manuel; Vargas Leitón, Bernardo (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 ...
    • Detection of antibodies against Chlamydophila abortus in Costa Rican sheep flocks 

      Dolz, Gaby; Villagra-Blanco, R.; Montero-Caballero, Danilo; Romero-Zúñiga, Juan José (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%) ...
    • In-vitropredatory activity of nematophagous fungi from Costa Rica with potential use for controlling sheep and goat parasitic nematodes 

      de Oliveira, Jaqueline; Vega-Obando, Rommel; Montero Caballero, Danilo; Vargas, Bernardo; Hernández-Gamboa, Jorge; Orozco-Solano, Claudio; Soto-Barrientos, Natalia (Universidad de Costa Rica., 2011-03)
      In tropical and subtropical regions of the world, parasitic diseases are a main cause of losses in live-stock productivity. The increased acquired resistence to anthelmintics by gastrointestinal nematodes, requires biological ...
    • Paratuberculosis 

      Dolz, Gaby (Camara Nacional de Productores de Leche, 2016-09-29)
      La paratuberculosis o enfermedad de Johne es una enfermedad incurable de los rumiantes, ocasionada por una bacteria denominada Mycobacterium aviun subespecie paratuberculosis o MAP. Esta bacteria ocasiona una enteritis ...
    • Presence of Maedi-Visna in Costa Rican sheep flocks 

      Dolz, Gaby; Villagra-Blanco, Rodolfo; Solórzano-Morales, Antony; Alfaro-Alarcón, Alejandro; Montero-Caballero, Danilo; Romero-Zúñiga, Juan José (Small Ruminant Research, 2015-01-22)
      A total of 359 sheep serum samples from 15 farms were analyzed for the presence of antibodies against Maedi Visna Virus (MVV) by Enzyme-linked Immunosorbent Assay (ELISA). Additionally, a survey was applied to the sheep ...
    • Seroprevalence of Toxoplasma gondii and Neospora caninum infections and associated factors in sheep from Costa Rica 

      Dolz, Gaby; Villagra-Blanco, Rodolfo; Barrantes-Granados, Osvaldo; Montero-Caballero, Danilo; Romero-Zúñiga, Juan José (Universidad Nacional, Costa Rica, 2019-01-08)
      The presence of antibodies against Toxoplasma gondii and Neospora caninum were analyzed in 392 sheep sera from ten Costa Rican ovine flocks using indirect immuno-enzymatic assays. Additionally, general information about ...