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Mostrando ítems 58-77 de 217
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Diagnóstico serológico de brucelosis en caprinos: comparación de técnicas = Serological diagnosis of brucellosis in goats: comparison of techniques
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2015)La producción caprina representa un rubro importante dentro del sistema agropecuario de la República Argentina y la brucelosis causada por Brucella melitensis es considerada el motivo principal de los problemas reproductivos ... -
Diferenciación de serovares de leptospiras patógenas mediante PCR del gen ligB y secuenciación = Differentiation of pathogenic leptospires spp by PCR of ligB gene and sequencing
(Asociación Argentina de Microbiología, 2018)La leptospirosis es la zoonosis de mayor distribución mundial. El objetivo del presente trabajo fue desarrollar una técnica molecular que diferencie leptospiras patógenas. Se amplificó mediante PCR y se secuenció una ... -
Dinámica de la infección de terneros con Cryptosporidium parvum
(Universidad de Morón, 2017-10)Cryptosporidium sp. es un protozoo parásito que infecta a una gran variedad de vertebrados hospedadores. La especie C. parvum es el principal agente etiológico de la criptosporidiosis y representa una de las principales ... -
Discovery of antigens and cellular mechanisms in the protozoan parasite sarcocystis aucheniae using immunoproteomics
(MDPI, 2023-12)Sarcocystis aucheniae is a coccidian parasite that produces macroscopic sarcocysts in South American camelid (SAC) muscles and causes a disease known as SAC sarcocystosis. This parasitosis hampers the commercialization of ... -
Discriminación genotípica de serovariedades del serogrupo Icterohaemorrhagiae pertenecientes a Leptospira interrogans (Spirochaetales: Leptospiraceae) y el análisis de distancias génicas mediante coordenadas principales = Genotypic discrimination of serovars belonging to the serogroup Icterohaemorrhagiae of Leptospira interrogans (Spirochaetales: Leptospiraceae) and the analysis of genetic distances using principal coordinates
(Universidad Nacional del Litoral. Facultad de Ciencias Veterinarias, 2016)La leptospirosis es una zoonosis de amplia distribución mundial y de importancia en salud pública y veterinaria. El serogrupo Icterohaemorrhagiae toma importancia, ya que ha sido aislado con frecuencia en roedores y en ... -
Diseminación de ooquistes de Criptosporidium spp. entre los 7 y 13 días de edad en terneros de un rodeo lechero
(Universidad de Buenos Aires, 2022-06)La criptosporidiosis es una enfermedad parasitaria zoonótica cosmopolita causada por protozoos del género Cryptosporidium. La principal especie reportada en terneros neonatos es Cryptosporidium parvum. El objetivo de este ... -
Diverse tick-borne microorganisms identified in free-living ungulates in Slovakia
(BMC, 2018-09)Background: Free-living ungulates are hosts of ixodid ticks and reservoirs of tick-borne microorganisms in central Europe and many regions around the world. Tissue samples and engorged ticks were obtained from roe deer, ... -
Dynamics of the ruminal microbial ecosystem, and inhibition of methanogenesis and propiogenesis in response to nitrate feeding to Holstein calves
(Elsevier, 2021-12)It is known that nitrate inhibits ruminal methanogenesis, mainly through competition with hydrogenotrophic methanogens for available hydrogen (H2) and also through toxic effects on the methanogens. However, there is limited ... -
Ecological intensification decreased yield-scaled N20 emissions in a soybean-barley- maize sequence = La intensificación ecológica redujo las emisiones de N2O a escala de rendimiento en una secuencia de soja-cebada-maíz
(Asociación Argentina de la Ciencia del Suelo, 2022-12)Agricultural challenge today is to maximize crop production reducing negative environmental impacts by efficiently use of resources and inputs. Objectives: i) to evaluate N2O emissions during a soybean-barley-maize rotation ... -
Effects of a blend of chestnut and quebracho tannins on gut health and performance of broiler chickens
(Plos ONE, 2022-01)Antimicrobial restrictions prompted the search for cost and biologically effective alternatives to replace antimicrobial growth promoters (AGPs) in food-producing animals. In addition, the efficacy of this alternatives ... -
Effects of Clostridium perfringens iota toxin in the small intestine of mice
(2017-12)Iota toxin is a binary toxin solely produced by Clostridium perfringens type E strains, and is structurally related to CDT from C. difficile and CST from C. spiroforme. As type E causes hemorrhagic enteritis in cattle, it ... -
Efficacy of a recombinant Intimin, EspB and Shiga toxin 2B vaccine in calves experimentally challenged with Escherichia coli O157:H7
(Elsevier, 2018-06)Escherichia coli O157:H7 is a zoonotic pathogen of global importance and the serotype of Shiga toxin-producing E. coli (STEC) most frequently associated with Hemolytic Uremic Syndrome (HUS) in humans. The main STEC reservoir ... -
Efficacy of chestnut and quebracho wood extracts to control Salmonella in poultry
(Wiley, 2021-07)Aims: The study was aimed to evaluate the antibacterial activity and efficacy of chestnut and quebracho wood extracts against Salmonella by in vitro assays and in vivo trials. Methods and results: The extracts showed ... -
Enfermedad por arañazo de gato en la interfaz humano-animal. Reporte de caso en la ciudad de San Luis, Argentina = Cat scratch disease at the human-animal interface. Case report in the city of San Luis, Argentina
(Sociedad de Medicina Veterinaria, 2022)Dentro de las zoonosis que involucran a los felinos domésticos, la enfermedad por arañazo de gato (EAG) producida por Bartonella henselae se considera una patología emergente que produce diferentes cuadros en humanos que ... -
Ensayo interlaboratorio : aislamiento de Mycobacterium bovis a partir de lesiones granulomatosas en bovinos = Interlaboratory test: Isolation of Mycobacterium bovis from granulomatous lesions in bovine
(2016)Mycobacterium bovis es el agente etiológico de la tuberculosis bovina. La confirmación diagnóstica en el laboratorio se realiza a través del aislamiento bacteriológico. Los ensayos interlaboratorio permiten evaluar el ... -
Enteric methane emission from Sheep fed with rhodes grass hay (Chloris gayana) alone or supplemented with dried distillers’ grains with solubles
(MDPI, 2022-09)Livestock systems based on subtropical and tropical pastures are characterized by the low productivity of livestock due to the poor nutritional value of the forage (low nitrogen concentration and digestibility, and high ... -
Enzyme-linked immunosorbent assay as complement of intradermal skin test for the detection of mycobacterium bovis infection in cattle
(Elsevier, 2019-07)Diagnostic tests based on cell-mediated immunity are used in programs for the control and eradication of bovine tuberculosis (bTB), which is mainly caused by Mycobacterium bovis. Additional serological assays could be ... -
Epidemiological characterization of isolates of Salmonella enterica and shiga toxin-producing Escherichia coli from backyard production system animals in the Valparaíso and metropolitana regions
(MDPI, 2023-08)Backyard production systems (BPS) are distributed worldwide, rearing animals recognized as reservoirs of Salmonella enterica and Shiga toxin-producing Escherichia coli (STEC), both zoonotic pathogens. The aim of this study ... -
Establishment of Babesia vulpes n. sp. (Apicomplexa: Babesiidae), a piroplasmid species pathogenic for domestic dogs
(BioMed Central, 2019)Background: Canine babesiosis is a severe disease caused by several Babesia spp. A number of names have been proposed for the canine-infecting piroplasmid pathogen initially named Theileria annae Zahler, Rinder, Schein ...