Browsing Artículos Científicos by Subject "OVEJAS"

Now showing items 1-7 of 7

    • Comparing body condition score and FAMACHA© to identify hair-sheep ewes with high faecal egg counts of gastrointestinal nematodes in farms under hot tropical conditions 

      Soto-Barrientos, Natalia; Chan-Pérez, J.I.; España-España, E.; Novelo-Chi, L.K; Palma-Ávila, I.; Ceballos-Mendoza, A.C.; Sarabia-Hernández, J.A.; Santos-Ricalde, R.H.; Cámara-Sarmiento, R.; Torres-Acosta, J.F.J. (Elsevier B.V., 2018-08-16)
      Data from a targeted selective treatment (TST) survey in three sheep farms was used to compare body condition scores (BCS) ≤ 2 and FAMACHA© scores ≥4 or ≥3 as criteria to identify ewes with ≥ 750 eggs per gram of faeces ...

    • 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%) ...

    • First report of anthelmintic resistance in gastrointestinal nematodes of sheep from Costa Rica 

      Maroto, R; Jiménez Rocha, Ana Eugenia; Romero-Zúñiga, Juan José; Álvarez, Víctor; De Oliveira, Jaqueline; Hernández-Gamboa, Jorge (Revista Internacional de Medicina Veterinaria, 2011)
      As the prevalence and severity of anthelmintic resistance continue to rise, nematode infections in sheep correspondingly reduce the profitability of the sheep industry. In Costa Rica, sheep production systems are increasing ...

    • Molecular characterization of Brucella ovis in Argentina 

      Alvarez, Lucía P.; Ruiz-Villalobos, Nazaret; Suárez-Esquivel, Marcela; Thomson, Nicholas; Marcellino, Romanela; Viquez Ruiz, Eunice; Robles, Carlos A.; Guzman-Verri, Caterina (Elsevier B.V., 2020-04-22)
      La brucelosis en los carneros es causada por Brucella ovis o Brucella melitensis y se considera una de las enfermedades infecciosas más importantes de los machos en los países donde se crían ovejas. Caracterización molecular ...

    • 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 Bluetongue and associated risk factors in Costa Rican sheep flocks 

      Dolz, Gaby; Villagra-Blanco, Rodolfo; Montero-Caballero, Danilo; Romero-Zúñiga, Juan José (Universidad Nacional, Costa Rica, 2015-11-22)
      A total of 359 sheep samples from 15 farms were analyzed for the presence of antibodies against bluetongue virus (BTV) by commercial enzyme-linked immunosorbent assay (ELISA). Antibodies were detected in 290 sheep from ...

    • 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 ...