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Mostrando ítems 922-941 de 1027
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Sistemas de alimentación combinando pastura y ración totalmente mezclada : respuesta productiva y comportamiento reproductivo de vacas lecheras
(EEA Rafaela, 2014)La competencia de la agricultura por el uso de la tierra y su consecuente aumento de valor ha generado interrogantes sobre la continuidad de los sistemas ganaderos con alternativas de dedicarse a la actividad agrícola, ... -
Sistemas ganaderos bovinos - Caracterización del distrito Toba
(Ediciones INTA, 2017)El área de influencia de la EEA INTA Reconquista comprende los departamentos General Obligado, 9 de Julio, San Javier y Vera. La ganadería bovina es la actividad dominante en la región. Según datos oficiales la zona tiene ... -
Situación actual y prospectivas de la arveja
(Estación Experimental Agropecuaria Oliveros, INTA, 2023)Este trabajo tiene como objetivo analizar la situación actual de la arveja en Argentina, respecto a su producción, exportación y procesamiento, y a su vez, evaluar la potencialidad para el desarrollo del sector en el futuro. -
Situación de las enfermedades del cultivo de papa en el Cinturón Hortícola de Rosario.
(Estación Experimental Agropecuaria Oliveros, INTA, 2023)A nivel mundial, la enfermedad de mayor importancia económica para la producción de papa es el tizón tardío (TTaP) (Aram & Rizzo, 2018; Whisson et al., 2016). La misma se presenta en casi todas las regiones paperas, ... -
Soja de alto rendimiento: ganancia genética y limitación por nitrógeno
(IPNI, 2017-12)La mejora genética del rendimiento de soja desde la década de 1980 hasta la del 2010 representó 30% promediando en sitios ubicados en los Estados Unidos y Argentina. Para todas las pocas de liberación, la fertilización ... -
Some ecological aspects of free-living Haemaphysalis juxtakochi Cooley, 1946 (Acari: Ixodidae) in Panama
(Universidad de Córdoba (Colombia), 2014)Objective. To describe the seasonal variation and perform a comparative analysis on habitat preference of Haemaphysalis juxtakochi in Panama. Materials and methods. Ticks were collected from the vegetation, using a white ... -
Sorgo en el norte santafesino
(Ediciones INTA; Estación Experimental Agropecuaria Reconquista, 2021-01)La inclusión del cultivo de sorgo en el noroeste de la provincia de Santa Fe, en un esquema de rotación agrícola- ganadera reviste importancia en la sustentabilidad del recurso suelo; debido a que aporta gran cantidad ... -
Soybean nitrogen sources and demand during the seed-filling period
(American Society of Agronomy, 2019-05)Soybean [Glycine max (L.) Merr.] seed N demand not met by biological N fixation is fulfilled by N remobilization from vegetative plant organs and N uptake from soil sources during the seed-filling period (SFP), herein ... -
Species occurrence of ticks in South America, and interactions with biotic and abiotic traits
(Springer Nature, 2019-12)The datasets of records of the distribution of ticks and their hosts are invaluable tools to understand the phylogenetic patterns of evolution of ticks and the abiotic traits to which they are associated. Such datasets ... -
Spotted fever group rickettsiae in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina
(2015)This work was performed to detect Rickettsia species of the spotted fever group in Amblyomma ticks likely to infest humans in rural areas from northwestern Argentina. Free-living ticks were collected and determined as ... -
Spray-dried adjunct cultures of autochthonous non-starter lactic acid bacteria
(2017-08-16)Spray-drying of lactic cultures provides direct-to-vat starters, which facilitate their commercialization and use. However, this process may alter the metabolic activity and deteriorate technological features. In this work, ... -
Spray-drying process preserves the protective capacity of a breast milk-derived Bifidobacterium lactis strain on acute and chronic colitis in mice
(2017-02)Gut microbiota dysbiosis plays a central role in the development and perpetuation of chronic inflammation in inflammatory bowel disease (IBD) and therefore is key target for interventions with high quality and functional ... -
Staphylococcus aureus chronic intramammary infection modifies protein expression of transforming growth factor beta (TGF-β) subfamily components during active involution
(2014-02)The objectives of this study were to determine whether Staphylococcus aureus chronic intramammary infection (IMI) influences protein expression of TGF-β subfamily components and collagen I and to examine the histomorphometric ... -
Stochastic modelling to predict a priori the potential outcomes of different control schemes against the cattle tick Rhipicephalus microplus
(Elsevier, 2024-02)Stochastic models are valuable tools to describe and analyze tick population dynamic in a given area, and to evaluate different control schemes. The objective of this study was to provide a tool to predict a priori how a ... -
Strategic applications of long-acting acaricides against Rhipicephalus (Boophilus) microplus in northwestern Argentina, with an analysis of tick distribution among cattle
(2015-03)Strategic applications of long-acting acaricides for the control of Rhipicephalus (Boophilus) microplus in northwestern Argentina were evaluated for one year. In addition, tick distribution among cattle was analyzed to ... -
Strategic treatments with systemic biocides to control Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) in northwestern Argentina = Tratamientos estratégicos con biocidas sistémicos para el control de Rhipicephalus (Boophilus) microplus (Acari: Ixodidae) en el noroeste de Argentina
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2014)This work was performed to evaluate two different schemes of treatment with systemic biocides to control Rhipicephalus microplus in northwestern Argentina. Treatments were applied from late winter to late spring to act on ... -
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 ... -
Study of the effects of spray drying in whey‐starch on the probiotic capacity of Lactobacillus rhamnosus 64 in the gut of mice
(2017-10)Aims: To evaluate the effects of spray drying of Lactobacillus rhamnosus 64 on its capacity to modulate the gut immune response and on the attenuation of TNBS‐induced colitis in mice. Methods and Results: Lactobacillus ... -
Study of the effects of spray‐drying on the functionality of probiotic lactobacilli
(2013-05)Three probiotic lactobacilli strains were spray‐dried in 20% (w/v) skim milk and submitted to a simulated gastrointestinal digestion. Fresh or spray‐dried cultures were administered to mice for 5 and 10 days, and Immunoglobulin ... -
Study of the life cycle of Amblyomma dubitatum (Acari: Ixodidae) based on field and laboratory data
(2014-05)The life cycle of Amblyomma dubitatum was described based on the seasonal distribution of all parasitic stages and the development periods of engorged ticks under different conditions of photoperiod and temperature. All ...