Artículos científicos: Envíos recientes
Mostrando ítems 221-240 de 445
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Epidemiological Description of Cystic Ovarian Disease in Argentine Dairy Herds: Risk Factors and Effects on the Reproductive Performance of Lactating Cows
(Wiley, 2014-12)To describe the epidemiology of cystic ovarian disease (COD), to find possible risk factors associated with the incidence of cysts and to analyse the impact of COD on the reproductive performance of dairy cows, databases ... -
Selection by seed weight improves traits related to seedling establishment in Panicum coloratum L. var. makarikariense
(Wiley, 2013-12)Selection for heavy seed was implemented to overcome establishment problems in Panicum coloratum var. makarikariense. A collection covering the genetic diversity of the species available in Argentina was used as a base ... -
13C‐labeling shows the effect of hierarchy on the carbon gain of individuals and functional groups in dense field stands
(Ecological Society of America, 2012-01)Measurements of resource capture by individuals, species, or functional groups coexisting in field stands improve our ability to investigate the ecophysiological basis of plant competition. But methodological and technical ... -
Evaluación de indicadores metabólicos y bioquímicos sanguíneos en vacas en lactancia con Enfermedad Quística Ovárica = Evaluation of metabolic and biochemical blood parameters in lactating cows with Cystic Ovarian Disease
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2013)El objetivo de este trabajo fue determinar y evaluar indicadores bioquímicos sanguíneos asociados a procesos metabólicos energéticos, proteicos, minerales y de funcionalidad hepática, junto con parámetros productivos y ... -
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 ... -
Conocimiento de zoonosis en operarios tamberos de la provincia de Santa Fe, Argentina
(Facultad de Ciencias Veterinarias, Universidad de Buenos Aires, 2016)Los trabajadores de establecimientos lecheros presentan un significativo riesgo de contraer enfermedades transmitidas animales. El objetivo de este trabajo fue evaluar el conocimiento y la percepción de los riesgos en ... -
Efficacy of winter–spring strategic control against Rhipicephalus (Boophilus) microplus infestations on cattle in an area with ecological conditions highly favourable for the tick in northeast Argentina
(Wiley, 2019-01)This work was performed to test the efficacy of winter–spring control strategies against Rhipicephalus (Boophilus) microplus (Ixodida: Ixodidae) infestations on cattle in the area ecologically most favourable for the ... -
Water table depth affects persistence and productivity of alfalfa in Central Argentina
(Elsevier, 2019-04)Alfalfa (Medicago sativa L.) is one of the most sown perennial legumes in the world. Water table depth can be both an opportunity and a threat for this crop. In this study we analyzed 20 years of field experimental data ... -
Movimiento de parasitoides (Aphidiinae) para el biocontrol de áfidos plagas de afido en brasicaceas = Movement of parasitoids (Aphidiinae) for the biocontrol of aphids aphid pests in brasicaceas
(Asociación Argentina de Horticultura, 2017)El objetivo de este estudio fue evaluar si los márgenes de vegetación espontánea aportan un ingreso de parasitoides (Aphidiinae) en los cultivos hortícolas y que factores afectan dicho movimiento. En la localidad de Ángel ... -
Evolución del cultivo de frutilla en la provincia de Santa Fe (Argentina) en los últimos 50 años = Strawberry crop evolution in province of Santa Fe (Argentina) in the last 50 years
(Asociación Argentina de Horticultura, 2017)En la provincia de Santa Fe, el cultivo de frutilla (Fragaria ananassa Duch.) se realiza en la Zona de Coronda y en la Zona de La Costa, donde se ubican además numerosas agroindustrias dedicadas al procesamiento de la ... -
Ticks (Acari: Ixodidae) parasitizing endemic and exotic wild mammals in the Esteros del Iberá wetlands, Argentina
(Systematic and Applied Acarology Society, 2012-08)Five species of ticks belonging to the genera Amblyomma, Haemaphysalis and Rhipicephalus were recorded from endemic and exotic wild mammals in the Esteros del Iberá wetlands, Argentina. Adults and immature stages of Amblyomma ... -
Preliminary study on parasitism of aphids (Hemiptera: Aphididae) in relation to characteristics of alfalfa fields (Medicago sativa L.) in the Argentine Pampas
(Elsevier, 2012-09-12)Alfalfa is a perennial crop and is one of the most relevant forage resources for cattle in the Argentine Pampas, with aphids (Hemiptera Aphididae), one of the main pest insects in alfalfa, being frequently attacked by a ... -
Babesia bovis biological clones and the inter-strain allelic diversity of the Bv80 gene support subpopulation selection as a mechanism involved in the attenuation of two virulent isolates
(Elsevier, 2012-12-21)The virulence phenotype of Babesia bovis subpopulations was evaluated using biological clones derived from the high-virulence BboS2P and the low-virulence BboR1A strain and two original virulent isolates, BboL15 and BboL17, ... -
Pérdidas de preñez en un rodeo de cría del norte de la provincia de Santa Fe = Pregnancy losses in a beef cattle herd in northern Santa Fe
(Asociación Argentina de Producción Animal, 2013-12)Se evaluó durante tres años consecutivos las pérdidas por abortos en un rodeo de cría bovino, libre de brucelosis y tuberculosis, con control de enfermedades venéreas y aplicación de vacunas contra enfermedades reproductivas. ... -
Cambios en la productividad de los tambos del sur de Santa Fe = Changes in dairy farm productivity in the southern Santa Fe
(Asociación Argentina de Producción Animal, 2013-12)Se verificaron y analizaron los cambios producidos en la productividad de los sistemas lecheros del sur de Santa Fe en las últimas tres décadas. Se propusieron y compararon los modelos que mejor explican la productividad ... -
Cambios en la sustentabilidad ambiental de tambos del sur de la provincia de Santa Fé, Argentina = Changes in the environmental sustainability of dairy farms in the southern Santa Fe province, Argentina
(Asociación Argentina de Producción Animal, 2017-12)El proceso de intensificación de los tambos en Argentina ha transformado los sistemas de base pastoril en sistemas de base pastoril intensificados. El objetivo del trabajo fue evaluar, utilizando indicadores de sustentabilidad ... -
Ticks (Acari: Ixodidae) associated with small terrestrial mammals in the state of Minas Gerais, southeastern Brazil
(Springer, 2012-10)From June 2005 to November 2010, 43 small mammals encompassing 6 species of Didelphimorphia, 8 species of Rodentia, and 1 species of Lagomorpha were found parasitized by ticks in the state of Minas Gerais, southeastern ... -
Effect of heat treatment and spray drying on lactobacilli viability and resistance to simulated gastrointestinal digestion
(Elsevier, 2012-10)Commercial probiotic bacteria are delivered mainly as frozen or freeze-dried cultures. However, spray drying is a lower cost technology that could be used for the production of probiotic cultures. In this work we aimed at ... -
Ornithodoros quilinensis sp. nov. (Acari, Argasidae), a new tick species from the Chacoan region in Argentina
(Springer, 2012-09)Ornithodoros quilinensis sp. nov. (Acari: Argasidae) is described from larvae collected on the small rodents Graomys centralis (Cricetidae: Sigmodontinae) in Argentina. The diagnostic characters for this new species are a ... -
A morphological and phylogenetic analysis of Ornithodoros marinkellei (Acari: Argasidae), with additional notes on habitat and host usage
(Springer, 2018-10)Ornithodoros marinkellei was described from larvae collected on Pteronotus spp. bats in Colombia and Panama. More recently, this tick was reported in the Brazilian Amazon. Because some morphometric differences were observed ...