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Relación entre el estado serológico a leucosis bovina enzoótica y parámetros reproductivos en hatos lecheros especializados de Costa Rica
(Universidad Nacional, Costa Rica, 2015-03-04)
Se realizó un estudio longitudinal y analítico para determinar la relación entre el estado serológico al virus de la leucosis bovina enzoótica (VLBE) y los parámetros reproductivos, en 26 fincas lecheras de Costa Rica ...
Efecto del estatus serológico al virus de la leucosis enzoótica bovina (BLV) sobre la producción de leche en hatos lecheros de Costa Rica
(Universidad Nacional, Costa Rica, 2012-09-02)
Se realizó un estudio longitudinal para determinar el efecto del estatus serológico
al virus de la leucosis enzoótica bovina (BLV) sobre la producción de leche en hatos lecheros
especializados de Costa Rica. Se analizó ...
Evaluation of a voluntary control program for the detection of Bovine Leukemia Virus antibodies based on agar gel immunodiffusion test in dairy farms in Costa Rica
(Universidad Nacional, Costa Rica, 2015-05-02)
A total of 20 farms were analyzed repeatedly during five years using only the agar gel immunodiffusion
test (AGIDT) as part of a voluntary control program of Bovine Leukemia Virus (BLV). After
five years of cleaning up ...
The NS segment of H5N1 avian influenza viruses (AIV) enhances the virulence of an H7N1 AIV in chickens
(Veterinary Research, 2014-01-25)
Some outbreaks involving highly pathogenic avian influenza viruses (HPAIV) of subtypes H5 and H7 were caused by avian-to-human transmissions. In nature, different influenza A viruses can reassort leading to new viruses ...
Neuroinvasion of the highly pathogenic influenza virus H7N1 is caused by disruption of the blood brain barrier in an avian model
(PLOS ONE, 2014-12-15)
Influenza A virus (IAV) causes central nervous system (CNS) lesions in avian and mammalian species, including humans. However, the mechanism used by IAV to invade the brain has not been determined. In the current work, we ...
Presence of Maedi-Visna in Costa Rican sheep flocks
(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 ...
Serological detection of viral infections in captive wild cats from Costa Rica
(Veterinary Medicine International, 2011-02-08)
Serum samples from a total of 44 wildcats, 28 margays (Leopardus wiedii), 10 ocelots (Leopardus pardalis), four jaguaroundis (Herpailurus yaguaroundi), one oncilla (Leopardus tigrina), and one jaguar (Panthera onca) were ...
Presencia y genotipos del virus de la necrosis hipodérmica y hematopoyética infecciosa (IHHNV) en fincas de cultivo de camarón blanco (Litopenaeus oannamei) en Costa Rica
(Universidad Nacional, Costa Rica., 2019-08-30)
El virus de la necrosis hipodérmica y hematopoyética infecciosa (IHHNV) pertenece a
la familia Parvoviridae y causa crecimiento disminuido e irregular con presencia de
deformidades cuticulares en el rostrum y los apéndices ...
Caracterización molecular del virus de la rabia en muestras analizadas en el SENASA en el período 2015-2017
(Universidad Nacional, Costa Rica., 2017)
La rabia es una enfermedad infecciosa y zoonótica causada por un virus neurotrópico del
género Lyssavirus. Su transmisión se da principalmente mediante mordeduras de mamíferos
carnívoros o quirópteros. Esta zoonosis causa ...
Diagnóstico de la situación del virus de la diarrea viral bovina (VDVB), virus herpes bovino tipo1 (HVB-1), virus de la leucosis viral bovina (VLVB) y Neospora caninum en una finca lechera ubicada en Zarcero con problemas reproductivos (abortos)
(Universidad Nacional, Costa Rica, 2018-08-12)
The main need for aid in the dairy sector must be targeted at small and medium-sized producers, who are the most affected in economic terms. From this point of view, the School of Veterinary Medicine of the National ...