Títulos
Mostrando ítems 444-463 de 619
-
Occurrence of glyphosate and AMPA in an agricultural watershed from the southeastern region of Argentina
(Elsevier, 2015-12-01)Glyphosate (GLY) and AMPA concentrations were determined in sandy soil profiles, during pre- and post-application events in two agricultural soybean fields (S1 and S2). Streamwater and sediment samples were also analyzed. ... -
Occurrence of pesticide residues in indoor dust of farmworker households across Europe and Argentina
(Elsevier, 2023-10)Pesticides are widely used as plant protection products (PPPs) in farming systems to preserve crops against pests, weeds, and fungal diseases. Indoor dust can act as a chemical repository revealing occurrence of pesticides ... -
Optimization of production of chlamydospores of the nematode-trapping fungus Duddingtonia flagrans in solid culture media
(Springer, 2013-03)The large-scale production of nematophagous fungi as agents of biological control is one of the main challenges to be commercially used. In order to improve growth of microorganism in a culture medium, the addition of ... -
Oral and topical extra-label administration of fipronil to laying hens: Assessment of the egg residue patterns
(Wiley, 2021-03-24)This experimental work reproduces the fipronil extra-label administration performed by producers in laying hens. The scientific goal was to characterize the residual concentrations in eggs from treated hens and suggest the ... -
Otras causas de pérdidas reproductivas en bovinos. Pensando más allá de las etiologías infecciosas
(Ediciones Taurus, 2024-02)Teniendo en cuenta un mercado internacional cada vez más demandante de sistemas de producción de carne y leche bovina sustentables, es imprescindible mejorar los parámetros reproductivos de la producción pecuaria local. ... -
Over time variation in microsatellite (ssr) patterns in a natural wild potato population from northwest Argentina.
(Crop Science Society of America, 2021-02-26)The common potato, Solanum tuberosum L. (2n = 4x = 48), has 100–200 related wild taxonomic species endemic to the Americas, which constitute invaluable sources of genetic diversity. They form a polyploid series with 2n = ... -
Ovine abortion by Neospora caninum: first case reported in Argentina
(Springer Verlag Germany, 2019-09-04)Purpose The aim of this study was to describe for the first time a natural case of ovine abortion associated with Neospora caninum in a flock with reproductive losses in Argentina. Materials and Methods The analyzed ... -
Los pactos territoriales y sus múltiples territorialidades en la construcción de los espacios urbano-rurales. El caso del partido de Balcarce
(Facultad de Humanidades, Universidad Nacional de Mar del Plata, 2021-11)Desde mediados del siglo XX, con el advenimiento de la modernización del sector agropecuario, varias localidades del sudeste bonaerense adquirieron un rol destacado en la organización de los territorios como centros de ... -
Pampas fox (Lycalopex gymnocercus) of the Argentine Pampas as intermediate host for Neospora caninum
(Elsevier, 2022-03-03)The Pampas fox (Lycalopex gymnocercus) is the most abundant wild canid from South America. This wild canid inhabits grasslands, open woodlands, and areas highly modified by extensive ranching and agricultural activities. ... -
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: ... -
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 ... -
Pathogenicity of Nc-Bahia and Nc-1 strains of Neospora caninum in experimentally infected cows and buffaloes in early pregnancy
(Springer, 2014-04)Neospora caninum is a protozoan parasite known as an important cause of bovine abortion worldwide. Little is currently known about how different strains of N. caninum vary in their pathogenicity. In this study, we compared ... -
Pathology of cattle experimentally intoxicated with ground Ricinus communis seeds
(Brazilian Association of Veterinary Pathology, 2018-11)Five Aberdeen Angus calves were inoculated intra-ruminally with ground seeds of Ricinus communis at doses of 1, 1.5, 2 or 3 gr per kg of body weight, or with saline solution (control), respectively. Grossly, all intoxicated ... -
Patterns of resource use efficiency in relation to intra-specific competition, size of the trees and resource availability in ponderosa pine
(Elsevier, 2014-01-15)Patterns of resource use efficiency (RUE) in relation to intra-specific competition, size of the trees and resource availability are under debate. Also, the relationship between RUE and growth efficiency (GE) seems to be ... -
Penetration by Botryosphaeriaceae species in avocado, guava and persimmon fruit during postharvest
(Wiley, 2021-11-05)Botryosphaeriaceae species have a wide host range and a worldwide distribution. These fungal species can colonize several plant organs, such as the trunk, leaves and fruit. Some Botryosphaeriaceae species cause important ... -
Persistence of tall fescue in a subtropical environment : tiller survival over summer in response to flowering control and nitrogen supply
(Wiley, 2016)Enhancing pasture persistence is crucial to achieve more sustainable grass-based animal production systems. Although it is known that persistence of perennial ryegrass is based on a high turnover of tillers during late ... -
Persistencia del herbicida imazapir en el suelo y efectos fitotóxicos sobre cultivos de invierno y de verano
(Gerencia de Comunicación e Imagen Institucional, DNA SICC, INTA, 2011-04)Imazapir es un herbicida de amplio espectro de control, perteneciente al grupo químico de las imidazolinonas. En Argentina es aplicado a gran escala en los cultivos de girasol y maíz Clearfield. Debido a su acción residual ... -
Pest control treatments with phosphine and controlled atmospheres in silo bags with different airtightness conditions
(2016)La tecnología de bolsas de silo ha sido ampliamente utilizada en Argentina para almacenar granos (por ejemplo, trigo, maíz, cebada, girasol y soja, entre otros) desde mediados de los años noventa. Bolsa de silo son ampliamente ... -
Pesticide pollution in argentine drinking water: A call to ensure safe access
(Elsevier, 2024-01)The application of pesticides in Argentina has been on the rise since 2000. However, the monitoring of pesticides in drinking water lacks regular updates. This research study analysed 53 pesticides and degradation products ... -
Pérdidas de nitrógeno por volatilización y eficiencia de uso en maíz desde urea aplicada en diferentes momentos
(Ediciones INTA, 2023-06)La volatilización de amoníaco (N-NH3) es una importante vía de pérdida de nitrógeno (N) desde fertilizantes nitrogenados. En tal sentido, existe la necesidad de desarrollar estrategias de manejo que maximicen la eficiencia ...