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Mostrando ítems 11-30 de 48
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Efecto de la vacunación contra el virus de la fiebre aftosa sobre la pérdida de preñez en un rodeo de bovinos para carne
(Ediciones INTA, 2020-12)Se realizó un estudio para evaluar el efecto de la vacunación contra el virus de la fiebre aftosa (FA), aplicada durante el periodo embrionario, sobre la pérdida de preñez en un rodeo de vacas Angus que habían sido inseminadas ... -
Effect of Protein Restriction During Mid-to Late Gestation of Beef Cows on Female Offspring Fertility, Lactation Performance and Calves Development
(E-Cronicon, 2019-12)Cow calf operation in Argentina are managed under extensive grazing condition and the quality of forages is often poor during second half of gestation. Protein restriction in bovine gestation affects production traits in ... -
Effect of protein restriction of Angus cows during late gestation: Subsequent reproductive performance and milk yield
(2018-06)The effect of level of CP fed during late gestation on reproductive performance and milk production was studied in multiparous cows. Sixty-eight pregnant Angus cows were used. At 121 d prepartum, cows were blocked by BW ... -
Effect of protein restriction of bovine dams during late gestation on offspring postnatal growth, glucose-insulin metabolism and IGF-1 concentration
(2018-06)The objective of this study was determine whether the amount of protein provided to cows during late gestation would affect postnatal growth and lead to changes on glucose, insulin and insulin-like growth factor concentrations. ... -
Effects of inorganic copper injection in beef cows at late gestation on fetal and postnatal growth, hematology and immune function of their progeny
(Elsevier, 2021-10)To determine if Cu injection during late gestation can affect fetal and postnatal growth, hematology and immune function of progeny, 70 multiparous pregnant Angus cows, at 219 ± 15 d of gestation, were ranked by BW and BCS ... -
Effects of inorganic selenium injection on the performance of beef cows and their subsequent calves
(Elsevier, 2020-09)Sixty-seven pregnant Angus cows and their subsequent calves were used in a randomized design to evaluate the effect of inorganic Se injection from 80 d of gestation until weaning on cow reproductive parameters, BW and BCS ... -
Enyesado de suelos sódicos: modificación de sus propiedades químicas, físicas y biológicas
(Facultad de Agronomía, Universidad Nacional de La Plata, 2021-12)Los suelos sódicos ocupan una extensa proporción de la Depresión del Salado. El sodio aumenta el pH y provoca la dispersión de las arcillas generando modificaciones en la estructura de los suelos que perjudican el crecimiento ... -
Evaluación de la transición agroecológica de un establecimiento ganadero a base de pastizal de la cuenca del Salado, mediante indicadores = Evaluation of the agroecological transition through indicators of a livestock establishment based on native grasslands of the Salado basin
(Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2019-06)Son muy escasas las experiencias documentadas de manejos agroecológicos en sistemas extensivos de zonas templadas, en particular las que contemplen la utilización de pastizales naturales. Por ello nos propusimos evaluar ... -
Exposure to toxic fescue during late gestation on beef cows: effects on cow performance and offspring performance from birth to weaning
(ECronicon Open Access, 2020-01-03)To examine the effects of endophyte-infected tall fescue during late gestation on maternal and offspring performance, multiparous Angus cows (n = 40) were bred via AI and allocated into grazing treatments: toxic (E+) or ... -
Frequency of Neospora caninum infections in beef cow–calf operations under extensive management
(2016-03-30)The aim of this study was to evaluate the frequencies of Neospora caninum horizontal and vertical transmissions in beef cow–calf operations under three different extensive management systems: group A: 0.75 head per hectare ... -
Glyphosate dynamics in a soil under conventional and no-till systems during a soybean growing season
(2018-08-01)Glyphosate (GLY) is a non-selective herbicide, heavily used world-wide in agriculture, especially under no-tillage (NT) management. The objectives of this work were i - to determine the temporal and vertical variation of ... -
Growth, nutrient uptake and symbiosis with rhizobia and arbuscular mycorrhizal fungi in Lotus tenuis plants fertilized with different phosphate sources and inoculated with the phosphate-solubilizing bacterium Pantoea eucalypti M91
(2014-12)Background and aims: The aim of this work was to evaluate the ability of P fertilization and phosphate-solubilizing bacteria (PSB) inoculation to promote the growth of L. tenuis in typical soils of the Salado River Basin ... -
Herbicide-mediated promotion of Lotus tenuis (Waldst. & Kit. ex Wild.) did not influence soil bacterial communities, in soils of the Flooding Pampa, Argentina
(2016-02)Promoting the forage Lotus tenuis is an appealing alternative to meet the needs for cattle production in the Flooding Pampa region, Argentina. This agricultural practice requires herbicides application to remove plant ... -
Hydraulic conductivity and pore connectivity. Effects of conventional and no-till systems determined using a simple laboratory device
(Elsevier, 2019-03-01)Soil hydraulic conductivity is a property that describes how easily water can move through a porous space and its determination is important because it controls many soil hydrological processes. The objectives of this work ... -
Impact of dairy farms on groundwater quality in a productive basin in the northeast of the Pampean Plain, Argentina
(Elsevier, 2023-11)The Pampean Plain is a relevant world food production area where livestock and agricultural activities are developed. The northeast of this region is characterized by dairy production, where large quantities of excreta ... -
Impacto del tránsito en dos sistemas de siembra
(2015-12)Los sistemas productivos agrícolas presentan altos niveles de mecanización con tractores y máquinas cada vez más pesados. Como consecuencia, la compactación de los suelos es un problema emergente, dando como resultado el ... -
Late-gestation protein restriction negatively impacts muscle growth and glucose regulation in steer progeny
(Elsevier, 2019)The objective of this study was to determine whether the amount of protein provided to cows during late gestation would affect postnatal growth and lead to changes in glucose and insulin concentrations. At 129 d of gestation, ... -
Lotus spp.: a Mediterranean genus with high environment and economic impact in the Salado River Basin (Argentina)
(Springer, 2024-05)This review has the principal objective in to hypothesise that the introduction of Lotus species could have significant benefits in constrained soils due their worldwide distribution. This idea is major based on results ... -
Maize Physiological Responses to Heat Stress and Hormonal Plant Growth Regulators Related to Ethylene Metabolism
(2013-07)Hormonal plant growth regulators (HPGRs) have been evaluated in field grown maize (Zea mays L.), but never as a tool for prevention or mitigation of heat stress. We analyzed grain yield determination of maize crops exposed ... -
Mejora de propiedades físicas por el uso de especies megatérmicas en un suelo sódico templado
(2015-06)Las especies megatérmicas pueden disminuir el pH del suelo y los niveles de sodicidad cuando se implantan en suelos sódicos, pero poco se sabe acerca de su capacidad para mejorar la condición física de suelos sódicos ...