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Mostrando ítems 538-557 de 610
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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 ... -
Stock de carbono y nitrógeno en un haplustol éntico bajo diferentes usos del suelo en Córdoba
(Asociación Argentina de la Ciencia del Suelo, 2018-05-15)Los suelos cuando son sometidos a cambios de uso experimentan diversas alteraciones asociadas a los cambios en los aportes de residuos vegetales. El objetivo de este trabajo fue evaluar el efecto de distintos usos del suelo ... -
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 control of the cattle tick Rhipicephlaus microplus applied to rotational and silvopastoral grazing systems in subtropical areas
(Springer Link, 2024-06)This work evaluated if strategic control based on no more than three or four annual treatments is useful to control Rhipicephalus microplus infestations on cattle when it is applied to intensive rotational grazing and ... -
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 ... -
Sublethal exposure to imidacloprid in commercial Apis mellifera colonies in early spring: performance of honey bees and insecticide transference between in-hive products
(Springer, 2023-04)Honey bees have an important role in ecosystems as pollinators. However, in recent years, bee populations have declined, with habitat destruction, pesticide use, and climate change contributing to the decline. One of the ... -
Successive treatments with ivermectin (3.15%) to control the tick Rhipicephalus (Boophilus) microplus in cattle: Pharmacokinetic and efficacy assessment
(Elsevier, 2022-01)This study aimed to evaluate the pharmacokinetics, the potential accumulation in the body of treated animals and the efficacy of ivermectin long-acting formulation (3.15%) against the cattle tick Rhipicephalus (Boophilus) ... -
Supporting information for the research study: Niche divergence among members of the Amblyomma maculatum Koch, 1844 (Acari: Ixodidae) group of ticks [Conjunto de datos]
(2021)Datos primarios de apoyo para el estudio de investigación titulado: Niche divergence among closely related taxa provides insight on evolutionary patterns of ticks, publicado en Journal of biogeography (First published: ... -
Survey of potential factors involved in the low frequency of CP5 and CP8 expression in Staphylococcus aureus isolates from mastitis of dairy cattle from Argentina, Chile, and Uruguay
(2018-08)Staphylococcus aureus produces capsular polysaccharides (CPs) both in vivo and under defined culture conditions being serotypes 5 and 8 the most prevalent. S. aureus isolates that fail to produce CP5 or CP8 are defined as ... -
Susceptibilidad a antibióticos de Staphylococcus aureus aislados de mastitis bovina en lecherías de la cuenca central de Argentina
(2016-09)La mastitis bovina causa cuantiosas pérdidas económicas al productor lechero y la industria láctea a nivel mundial. Staphylococcus aureus es uno de los principales patógenos mayores causantes de infecciones intramamarias, ... -
Synonymy of Ixodes aragaoi with Ixodes fuscipes, and reinstatement of Ixodes spinosus (Acari: Ixodidae)
(Elsevier, 2020-03)Ixodes fuscipes Koch, 1844, described from Brazil, has been considered a valid species with records from Brazil and Peru. Ixodes spinosus Neumann, 1899, also described from Brazil, has been considered a synonym of I. ... -
Tamberos de la cuenca lechera santafesina. ¿Producir asociado o mano de obra?
(2017)El proceso de modernización del agro de las dos últimas décadas, incide directamente en un sujeto social de la cuenca lechera santafesina. 1990 genera nueva legislación que enmarca el trabajo y la vida del tambero y su ... -
Tambo Roca Lechería Sustentable Y Rentable 2030. Proyecto interinstitucional INTA - UNL - CREA
(INTA; CREA; UNL, 2021)Se implementarán y evaluarán dos sistemas lecheros que difieren en el biotipo animal (Holstein y Cruza Holstein x Jersey) bajo un sistema de alimentación pastoril con suplementación.