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Mostrando ítems 41-60 de 74
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Potencial antioxidante y Actividad antimicrobiana de extractos de hojas de Mistol (Zizyphuz mistol), Algarrobo blanco (Prosopis alba) y Tusca (Acacia aroma) procedentes de Santiago del Estero, Argentina
(Foro de la Alimentación, la Nutrición y la Salud, 2019)Las especies leñosas son fuentes de metabolitos secundarios, especialmente de compuestos fenólicos, muy valiosos por sus propiedades bioactivas, razón por la cual el objetivo de este trabajo fue optimizar la extracción de ... -
Aerial Bud Bank and Structural Changes of Woody Species from Argentine Chaco in Response to Disturbances
(David Publishing Company, 2019)The objectives of this work were to estimate the ABB (Aerial Bud Bank) size in small individuals of four native woody species and its relationship with structural changes of plants after disturbances. Study area was located ... -
Combining object-based image analysis with topographic data for landform mapping: a case study in the semi-arid Chaco ecosystem, Argentina
(MDPI, 2019-03)This paper presents an object-based approach to mapping a set of landforms located in the fluvio-eolian plain of Rio Dulce and alluvial plain of Rio Salado (Dry Chaco, Argentina), with two Landsat 8 images collected in ... -
Feeding strategies alter gene expression of the calpain system and meat quality in the longissimus muscle of Braford steers
(Asian-Australasian Association of Animal Production Societies (AAAP), 2019-08-03)Objective: The aim of the present study was to determine the effect of supplementing pasture-finished steers with corn silage on the expression level of the calpain system proteins and beef tenderization. Methods: Thirty ... -
El paisaje chaqueño, las perturbaciones y la Ley 26331
(Asociación Argentina de Ecología de Paisajes, 2020)La pregunta básica de la Ley Nac. N° 26331, Presupuestos Mínimos de Protección Ambiental de los Bosques Nativos, es qué debemos conservar. Según la Real Academia, ‘bosque’ es un ‘sitio poblado de árboles y matas’. ¿Es un ... -
Follicular wave dynamics and Growth factors gene expression in Braford heifers
(Wiley, 2020-06)The objectives of the present study were (experiment 1) to characterized development and dynamics of the dominant follicles (DF) and the corpus luteum (CL) to determine patterns of two (W2) and three (W3) follicular waves ... -
Alternative animal feeds from agroforestry plants
(Springer, 2020-07)This special issue idea originated when a few researchers from around the world came together with the goal of compiling the most up-to-date information on the use of alternative animal feed resources derived from agroforestry ... -
Charred wood and plant microremains associated to Neosclerocalyptus sp. (Cingulata, Chlamyphoriidae, Glyptodontinae) from the Upper Pleistocene of Western Chaco, Argentina
(Elsevier, 2020-08)The Chaco Region is the third biogeographic and morpho-structural territory of South America after the Amazon and Cerrado savannahs. This Region is one of the few areas in the world where the transition from the tropics ... -
Supramolecular solvent-based high-throughput sample treatment for monitoring phytohormones in plant tissues
(2020-11)Quantification of endogenous hormones in plants is essential to understand their growth, development and response to biotic and abiotic stresses. However, it is challenging to develop high-throughput sample treatments from ... -
Pregnancy rate to FTAI in Braford heifers submitted to J-Synch protocol
(Departamento de Medicina Veterinária da Universidade Federal Rural de Pernambuco, 2020-11)The objective of the present work was to evaluate the effect of J-Synch protocol on pregnancy rate (PR) of heifers artificially inseminated after detected estrus (DEAI) or at fixed-time (FTAI). Two hundred ninety-three ... -
Effectiveness of Sprayed Bioactive Fruit Extracts in Counteracting Protein Oxidation in Lamb Cutlets Subjected to a High-Oxygen MAP
(MDPI, 2020-11)High-oxygen packaging atmosphere (High-Ox-MAP) promotes meat protein oxidation and leads to texture deterioration. This study was conceived to assess the extent to which sprayed fruit extracts could inhibit the oxidative ... -
Sustitución del grano de maíz por bagazo de limón deshidratado en dietas de recría de vaquillonas = Substitution of corn grain for dehydrated lemon bagasse in rearing heifer´ s diets
(Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2020-12)El objetivo de este trabajo fue evaluar la sustitución del grano de maíz (GM) por niveles crecientes de bagazo de limón deshidratado (BLD) en dietas de recría de vaquillonas. Se utilizaron 40 vaquillonas Braford (158 ± 3,5 ... -
Antimicrobial Activities of Leaf Extracts from Algarrobo blanco (Prosopis alba), Tusca (Acacia aroma) y Mistol (Ziziphus mistol) to be Applied to Fresh Products
(2021)The aim of the present study was to analyze the in vitro antimicrobial activity against pathogens such as Salmonella, Staphylococcus aureus, Staphylococcus spp., Bacillus cereus, Micrococcus, Escherichia coli and Listeria ... -
Evaluation of different methods of estimating ET for the performance assessment of irrigation schemes
(Elsevier, 2021-01)In the assessment of irrigation schemes, the accuracy of performance indicators related to the water balance could be improved by estimating crop evapotranspiration (ETc) using remote sensing techniques. The two main remote ... -
Irrigation management transfer: The experience of the Río Dulce Irrigation Scheme, Argentina
(Wiley, 2021-01-31)Many governments and international agencies have promoted irrigation management transfer (IMT) in order to reduce operations and maintenance costs and satisfy farmers' willingness to improve their irrigation service by ... -
El Efecto de la suplementación con maíz sobre la expresión de genes asociados a grasa intramuscular
(Universidad de Córdoba (Colombia), 2021-04)Objetivo. Determinar el efecto de la suplementación con silo de maíz en la expresión de genes asociados al contenido de grasa intramuscular en el músculo longissimus dorsi de novillos Braford. Materiales y Métodos. Se ... -
A meta-analytical evaluation of the effects of high-salt water intake on beef cattle
(Oxford Academic Press, 2021-08)Adequate drinking water is essential to maintain acceptable production levels in beef cattle operations. In the context of global climate change, the water scarcity forecasted for the future is a growing concern and it ... -
Análisis de rendimiento y desempeño de un tractor adaptado para la extracción de leña en un sistema silvopastoril
(Facultad de Ciencias Forestales, Universidad Nacional de Santiago del Estero, 2021-12)Tradicionalmente la extracción forestal de leña en el Chaco Semiárido, es ejecutada de manera precaria con implementos de escaso desarrollo tecnológico y exigua ergonomía. El empleo de máquinas agrícolas durante el ... -
Un aporte al entendimiento de la lignificación de los pastizales/sabanas del Chaco Semiárido sudamericano
(Asociación Argentina de Ecología, 2021-12)Aunque los pastizales/sabanas del Chaco Semiárido sudamericano se han lignificado masivamente, la ecología del fenómeno es poco conocida y las iniciativas de restauración son casi inexistentes. Aportamos información sobre: ... -
Grass-shrub coexistence: understanding root distribution in ecological sites of the Semiarid Chaco, Argentina
(Taylor & Francis, 2021-12)The objective of this study was to analyze the root distribution of grasses and shrubs, at different soil depths, in two ecological sites (ES): highland (forest) and lowland (grassland). The root density (RD) estimation ...