Listar Artículos científicos por fecha de publicación
Mostrando ítems 521-540 de 654
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Impact of land use change on soil methane fluxes and diffusivity in Pampean plains, Argentina
(Elsevier, 2022-05)Upland soils are the main methane (CH4) biological sink, and may be affected by land-use change. Changes in land uses and soil management affect soil properties that control diffusion of gases, which in combination with ... -
The effect of agriculture on topsoil carbon stocks is controlled by land use, climate, and soil properties in the Argentinean Pampas
(Elsevier, 2022-05)The conversion of native grasslands into croplands with a high frequency of soybean (Glycine max L.) in crop rotations has diminished soil organic carbon (SOC) stocks in the Argentinean Pampas. The aims of our study were ... -
Glyphosate, AMPA, and metsulfuron-methyl retention in the main horizons of a typic argiudoll
(Taylor and Francis, 2022-05-03)Retention is one of the processes controlling the behavior and fate of pesticides in soil. The objective of this work was to evaluate the adsorption and desorption of glyphosate, AMPA, and metsulfuron-methyl in the main ... -
Mycoplasma bovis-pneumonia and polyarthritis in feedlot calves in Argentina: First local isolation
(Asociación Argentina de Microbiología, 2022-05-21)Bovine respiratory disease (BRD) is one of the most frequent clinical concerns in weaned calves after their arrival at the feedlot. This work reports the first local isolation of Mycoplasma bovis from feedlot calves with ... -
Alimentación de corderos con una dieta deficiente en zinc: efecto sobre parámetros relacionados con la absorción y el metabolismo del cobre
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2022-06)El objetivo de este ensayo fue estudiar el efecto del consumo de una dieta deficiente en zinc (Zn) sobre los niveles plasmáticos, la concentración tisular y la retención de cobre (Cu) en ovinos. Diez corderos fueron asignados ... -
Parasitemia and Associated Immune Response in Pregnant and Non-Pregnant Beef Cows
(Frontiers Media, 2022-06)The aim of this longitudinal study was to characterize the parasitemia of Neospora caninum and the associated immunological parameters in naturally infected beef cows for 10 months. The following groups were established: ... -
Water Availability and Row Spacing Effects on Nitrogen Use Efficiency in No-Till Maize
(Scholars Direct, 2022-06-08)Reduced row spacing has shown to increase nitrogen use efficiency (NUE) in no-till irrigated maize; however available information in rainfed conditions is scarce. The objective was to analyze row spacing effects on NUE ... -
Efectos individuales y en mezclas de glifosato y clorpirifos sobre organismos indicadores en un ecosistema a pequeña escala = Effects of glyphosate and chlorpyrifos applied alone and in combination on indicator organisms in a small-scale ecosystem
(Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, Argentina., 2022-06-15)Se evaluó el efecto individual y en mezclas de glifosato y clorpirifos sobre Octolasion cyaneum, Porcellio scaber y Brassica napus. La unidad experimental consistió en un cilindro de PVC con 3 kg de suelo y se introdujeron ... -
Pathogenicity of avibacterium paragallinarum strains from Peru and the selection of candidate strains for an inactivated vaccine
(MDPI, 2022-06-29)Worldwide, Avibacterium paragallinarum is the aetiological agent of infectious coryza in poultry. Vaccines are the best means of control, helping reduce clinical signs and colonization of this bacterium. Most vaccines are ... -
Yolk corticosterone and progesterone levels in Greater Rhea (Rhea americana) eggs vary in a changing social environment
(Wiley, 2022-07)Maternal hormones in avian egg yolks may signal and prepare offspring for the prevailing conditions. However, this adjustment requires some degree of flexibility in regulating yolk hormone deposition. The Greater Rhea (Rhea ... -
Importancia de las TIC en circuitos cortos de comercialización de alimentos
(Instituto de Estudios Avanzados, Universidad de Santiago de Chile, 2022-07-01)En las últimas décadas se ha dado un crecimiento de formas de producción más saludables (productos agroecológicos) y formas más directas de vinculación entre productor y consumidor (canales cortos). A su vez, la difusión ... -
Population replacement of benzimidazole-resistant Haemonchus contortus with susceptible strains: evidence of changes in the resistance status
(Springer, 2022-07-02)The spread of anthelmintic resistance (AR) in nematode populations threatens the viability of sheep production systems worldwide, and warrants the adoption of sensitive, practical, and standardized tests to detect AR. The ... -
Economic optimum nitrogen rate analysis for feed and malting barley
(Wiley, 2022-07-10)The malt industry has specific requirements for malting barley (Hordeum vulgare L.) grain protein concentration (from 9.5 to 13%) and size (>85%), which could be affected by nitrogen (N) fertilization. We aimed to (a) ... -
The efficacy of a trivalent inactivated salmonella vaccine combined with the live s. gallinarum 9R vaccine in young layers after experimental infections with s. enteritidis, s. typhimurium, and s. infantis
(MDPI, 2022-07-12)Worldwide, poultry infections by Salmonella are the cause of significant economic losses, not only due to reduced production (due to fowl typhoid disease), but also considering the efforts and control measures that must ... -
Expansión del riego: tipo de suelo, pendiente y calidad de agua en el sudeste de la provincia de Buenos Aires
(Facultad de Agronomía, Universidad Nacional de La Plata, 2022-07-14)El objetivo de este trabajo es caracterizar el área agrícola bajo riego complementario en el Sudeste Bonaerense (SB) en cuanto al incremento del área ocupada, tipo de suelo, pendiente y calidad de agua. Mediante un proceso ... -
Reactivation and foetal infection in pregnant heifers infected with neospora caninum live tachyzoites at prepubertal age
(MDPI, 2022-07-25)Neospora caninum is recognised for causing cattle abortion, provoking severe economic losses in the livestock industry worldwide. The aim of the present study was to evaluate the reactivation and foetal infection in pregnant ... -
Spatial–temporal trends and economic losses associated with bovine abortifacients in central Argentina
(Springer, 2022-07-30)The aims of this work are, firstly, to provide the geolocalization of cases of bovine abortion with definitive diagnosis and, secondly, to estimate the economic losses due to the most frequent abortifacients diagnosed ... -
Distribución radical en plantaciones de kiwi (Actinidia chinensis var. deliciosa) en el sudeste bonaerense y su implicancia en el manejo racional del riego
(Ediciones INTA, 2022-08)Actualmente, el 50% de la superficie implantada con kiwi en Argentina se concentra en el sudeste bonaerense. El cultivo es sensible al estrés hídrico y requiere altos niveles de agua, por lo que el riego es indispensable ... -
Study of the dynamics of in vitro infection with bovine gammaherpesvirus type 4 and apoptosis markers in susceptible cells
(Elsevier, 2022-08)Bovine gammaherpesvirus type 4 (BoHV-4) shows tropism for the endometrium, in which it causes the death of epithelial and stroma cells. Despite having anti-apoptotic genes in its genome, experiments based on immortalized ... -
Evaluación hidrogeológica e isotópica de capas acuíferas y su relación con presencia de atrazine = Hydrogeological and isotopic evaluation of aquifer layers and their relation with atrazine presence = Avaliação hidrogeológica e isotópica de camadas de aquífero e sua relação com a presença de atrazine
(Facultad de Agronomía, Universidad de la República (Uruguay), 2022-08)Dado que las aguas subterráneas constituyen la mayor reserva de agua dulce líquida en el mundo, la presencia de diversos contaminantes en acuíferos es un tema alarmante. En los sectores rurales prevalecen las problemáticas ...