Artículos científicos: Envíos recientes
Mostrando ítems 161-180 de 515
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Cost-Effective Method to Perform SARS-CoV-2 Variant Surveillance: Detection of Alpha, Gamma, Lambda, Delta, Epsilon, and Zeta in Argentina
(Frontiers Media, 2021-12-10)The emergence of SARS-CoV-2 variants with concerning characteristics to public health has attracted the attention of the scientific community and governments both regionally and globally since the end of 2020. The most ... -
Capacidad de Lactiplantibacillus plantarum LP5 para inhibir biopelículas de Campylobacter coli
(Facultad de Ciencias Veterinarias de la Universidad Nacional del Litoral, 2022-03-30)El objetivo de este estudio fue evaluar la capacidad inhibitoria de Lactiplantibacillus plantarum LP5 frente a Campylobacter coli en ensayos de formación de biopelículas in vitro y exclusión competitiva. La formación de ... -
Identification of key microorganisms in facultative stabilization ponds from dairy industries, using metagenomics
(PeerJ Publishing, 2022-03-14)Wastewater stabilization ponds are a natural form of wastewater treatment. Their low operation and maintenance costs have made them popular, especially in developing countries. In these systems, effluents are retained for ... -
Efficacy of immunization with a recombinant S. aureus vaccine formulated with liposomes and ODN-CpG against natural S. aureus intramammary infections in heifers and cows
(Elsevier, 2022-07)The aims of the present study were to evaluate the ability of a subunit vaccine composed of recombinant molecules of α-toxin, β-toxin, FnBPA and ClfA, formulated with cationic liposomes and CpG-ODN, to confer protection ... -
Impact of native spray-dried lactic acid bacteria, packing density and wilting time on fermentation characteristics of experimental maize and lucerne silages
(Wiley, 2022-03)This study aimed at investigating the effects of an autochthonous microbial inoculant microencapsulated by spray-drying on fermentation parameters, microbiological composition, mycotoxin level and aerobic stability of maize ... -
Rickettsia spp., Ehrlichia sp. and Candidatus Midichloria sp. associated to ticks from a protected urban area in Buenos Aires City (Argentina)
(Springer, 2022-01)The aim of this study was to determine the infection with Rickettsiales in ticks and birds from the main protected urban area of Buenos Aires City (Argentina). One Amblyomma aureolatum (0.2%) and one Ixodes auritulus (0.1%) ... -
Strategies to double milk production per farm in Argentina: Investment, economics and risk analysis
(Elsevier, 2022-03)Context: Demand for dairy products is expected to continue driving intensification in dairy systems. Little is known about the productive and economic performance and risk of intensification strategies either within grazing ... -
Eficiencia y riesgo básico de seguros tipo índice para contingencias climáticas y de mercado en producción lechera
(Asociación Argentina de Economía Agraria, 2021-12)En el ámbito de la producción lechera se han diseñado instrumentos para trasferir los riesgos asociados con la variabilidad climática y la volatilidad de precios que afectan al sector. Se trata de coberturas de tipo ... -
Propuesta de coberturas paramétricas para riesgos climáticos y de mercado en el sector lechero argentino
(Asociación Argentina de Economía Agraria, 2020)Los seguros agropecuarios en Argentina casi no se han desarrollado en el ámbito de la producción lechera. Por ello, como mecanismo para mitigar los efectos de la variabilidad climática y de precios que afecta al sector, ... -
Reestablishment of Rhipicephalus secundus Feldman-Muhsam, 1952 (Acari: Ixodidae)
(Elsevier, 2022-03)Rhipicephalus secundus is reestablished as a valid tick name within the Rhipicephalus sanguineus group and removed from the synonymy list of Rhipicephalus turanicus. Morphological re-description of both male and female of ... -
Genomic analysis of shiga toxin-containing Escherichia coli O157:H7 isolated from Argentinean cattle
(Plos, 2021-10)Cattle are the main reservoir of Enterohemorrhagic Escherichia coli (EHEC), with O157:H7 the distinctive serotype. EHEC is the main causative agent of a severe systemic disease, Hemolytic Uremic Syndrome (HUS). Argentina ... -
Calcium-induced skim milk gels: Effect of milk powder concentration and pH on tribo-rheological characteristics and gel physico-chemical properties
(Elsevier, 2022-03)The physico-chemical and tribo-rheological characteristics of calcium-induced skim milk gels obtained by heating of milk dispersions prepared with different concentrations of skim milk powder (10, 20 and 30% w/w) and calcium ... -
Combined effect of salinity and hypoxia in seedlings of two varieties of Panicum coloratum: morphology, root system architecture, oxidative damage and antioxidant response
(Wiley, 2021-09)The effect of the combination of salinity and waterlogging may be additive, or alternatively, more or less detrimental than effects of them separately. Our objective was to evaluate the effects of waterlogging, salinity ... -
Alternative applications of the strategic control against the cattle tick Rhipicephalus (Boophilus) microplus in a subtropical area
(Springer, 2021-09)Although different evaluations on the efficacy of the strategic control against Rhipicephalus microplus have been performed, the effects of successive applications of these schemes on the abundance of cattle ticks have not ... -
El trabajador rural y la satisfacción laboral en su entorno. Estudio de caso. Centro de la provincia de Santa Fe (Argentina)
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2021)Los procesos de modernización de la actividad agropecuaria han impactado en la estructura, localización y distribución de los trabajadores rurales. Considerando la escasez de recursos humanos y que al mismo tiempo hay una ... -
Neosporosis bovina en Argentina: a 25 años del primer reporte en el país
(Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata, 2021)La neosporosis es una enfermedad de gran impacto en el ganado vacuno debido a que causa abortos en el segundo y último trimestre de la gestación. En esta revisión se resume y discute la información sobre la misma, recopilada ... -
Detection by multiplex PCR of Mycoplasma species associated with dairy cattle in Argentina = Detección por PCR multiplex de especies de Mycoplasma asociadas a ganado lechero en Argentina
(Elsevier, 2021)There is scarce information about the frequency and epidemiological and clinical features associated with the presence of Mycoplasma spp. in Argentine dairy herds. The objectives of this study were to develop a multiplex ... -
Niche divergence among closely related taxa provides insight on evolutionary patterns of ticks
(Wiley, 2021-09)Aim: Understanding the degree to which closely related taxa diverge in their niche traits could provide insight on their evolutionary patterns, as well as shed some light on the mechanisms underpinning broad-scale biogeographic ... -
Diversidad y grupos funcionales de insectos en cultivos de arroz y sus bordes bajo manejo convencional y agroecológico en Santa Fe, Argentina
(Asociación Argentina de Ecología, 2021-08)El arroz es el cereal de mayor producción considerado el alimento base para el 50% de la población mundial. Los objetivos del trabajo fueron i) conocer la diversidad de insectos que presentan los cultivos de arroz y sus ... -
Molecular detection and phylogenetic characterization of Theileria equi in horses (Equus caballus) from a peri-urban area of Argentina
(Elsevier, 2021-11)To investigate the presence of Theileria equi in an endemic area of equine piroplasmosis 42 horses (Equus caballus) from Corrientes City, Argentina were sampled. Eighty-one percent (34 blood samples) of the analyzed horses ...