Artículos científicos: Envíos recientes
Mostrando ítems 161-180 de 210
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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 ... -
Cysteine proteinase C1A paralog profiles correspond with phylogenetic lineages of pathogenic piroplasmids
(MDPI, 2018-04)Piroplasmid parasites comprising of Babesia, Theileria, and Cytauxzoon are transmitted by ticks to farm and pet animals and have a significant impact on livestock industries and animal health in tropical and subtropical ... -
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 ... -
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 ... -
Phytochemicals as antibiotic alternatives to promote growth and enhance host health
(BioMed Central, 2018-07)There are heightened concerns globally on emerging drug-resistant superbugs and the lack of new antibiotics for treating human and animal diseases. For the agricultural industry, there is an urgent need to develop strategies ... -
Isolation of saprophytic Leptospira spp. from a selected environmental water source of Argentina = Aislamiento de Leptospira spp. saprófitas desde fuentes de agua en un ambiente seleccionado de Argentina
(2018-09)Ten Leptospira spp. strains were isolated from water samples from Nievas stream, Olavarría, Buenos Aires province (Argentina). The isolates showed the typical motility and morphology of the genus Leptospira under dark field ... -
Actividad antifúngica de especies del género Senna (Caesalpinoideae, Leguminosae) del norte de Argentina frente a Fusarium verticillioides
(2018-04)El género Senna comprende alrededor de 360 especies presentándose el 80% en el continente americano. Varias son conocidas por las propiedades antimicrobianas y farmacológicas. Los antecedentes de actividad antifúngica en ... -
Diagnóstico bacteriológico de tuberculosis bovina en bovinos reactores positivos a la prueba tuberculínica
(2018-04)Mycobacterium bovis es el agente causal de la tuberculosis bovina (TBB), enfermedad zoonótica que afecta la producción láctea y cárnica. En nuestro país, el diagnóstico se realiza a través de la prueba tuberculínica o ... -
Interacción entre festuca alta infectada con endófito y Lotus tenuis bajo dos frecuencias de defoliación
(2018-04)La toxicidad de festuca alta infectada con endófito asexual Epichloë coenophiala, puede ser atenuada cuando se la siembra en mezcla con leguminosas. El objetivo de este trabajo fue simular el establecimiento de pasturas ... -
Exploring the association between polymorphisms at 3’UTR SLC11A1 gene microsatellites and resistance to tuberculosis: A case-control study in Bos taurus dairy cattle
(2018-04)Bovine tuberculosis is a contagious infectious disease that causes significant economic impact in dairy and meat farms throughout the world. Multiple factors, including host genome, determine the outcome of the infection. ... -
Tannins and bacitracin differentially modulate gut microbiota of broiler chickens
(2018-02)Antibiotic growth promoters have been used for decades in poultry farming as a tool to maintain bird health and improve growth performance. Global concern about the recurrent emergence and spreading of antimicrobial ... -
Antifungal activity of Parastrephia quadrangularis (Meyen) Cabrera extracts against Fusarium verticillioides
(2018-03)Fungi are cosmopolitan organisms that grow in and adapt to a vast number of substrates and environments, and that can cause diseases in humans and animals, as well as in crops. The vast area and diverse geographical ... -
Immunization of pregnant cows with Shiga toxin-2 induces high levels of specific colostral antibodies and lactoferrin able to neutralize E. coli O157:H7 pathogenicity
(2018-03)E. coli O157:H7 is a foodborne pathogen responsible for bloody diarrhea, hemorrhagic colitis and hemolytic uremic syndrome (HUS). The objective of the present work was to evaluate the ability of colostral IgG obtained from ... -
Molecular identification of Sarcocystis aucheniae as the macrocyst-forming parasite of llamas
(2013-12)The domestic South American camelids (SACs), llama (Lama glama) and alpaca (Lama paco), are frequently found to be infected with Sarcocystis parasites. Infections give rise in skeletal muscle to macroscopic cysts (1–5 mm ... -
Serology and protein electrophoresis for evidence of exposure to 12 mink pathogens in free-ranging American mink (Neovison vison) in Argentina
(2017)Background: Basic pathologic characteristics for farmed minks were previously reported worldwide. However, its status in the wild has not been studied in detail. Objective: Serology and electrophoresis were carried out ... -
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 ... -
Seroprevalencia de infección por el virus de leucosis bovina durante 2015 en rodeos de cría de la Zona Deprimida del Río Salado, provincia de Buenos Aires, Argentina
(2017-06)La leucosis enzoótica bovina (LEB) es una enfermedad crónica, linfoproliferativa y altamente contagiosa producida por el virus de la leucosis bovina (VLB). La sangre es una fuente importante de infección, principalmente ... -
Intrinsic and extrinsic factors related to pathogen infection in wild small mammals in intensive milk cattle and swine production systems
(2017)Background: Understanding the ecological processes that are involved in the transmission of zoonotic pathogens by small mammals may aid adequate and effective management measures. Few attempts have been made to analyze ... -
A haplotype at intron 8 of PTPRT gene is associated with resistance to Brucella infection in Argentinian creole goats
(2017-08)Brucellosis is the leading zoonosis on a worldwide scale and constitutes a major public health threat in many regions of the world. Several molecular markers associated with natural resistance to intracellular bacterial ... -
Molecular characterization of Cryptosporidium isolates from calves in Argentina
(2013-12)Cryptosporidiosis is responsible for significant fatalities of neonatal calves, resulting in substantial economic loss in dairy farming in several countries. Additionally, the high shedding of environmentally resistant ...