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Mostrando ítems 760-779 de 1136
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Molecular epidemiology of Campylobacter jejuni isolates from the broiler production chain: first report of MLST profiles in Argentina = Epidemiología molecular de Campylobacter jejuni aislados de la cadena cárnica aviar: primer reporte de perfiles de MLST en Argentina
(Elsevier, 2021-03)Campylobacter jejuni is an important foodborne pathogen with global distribution. We describe a genotyping study of a collection of C. jejuni (n = 137) isolated from different broiler farms and from multiple sites along ... -
Molecular evidence and additional morphological characters to distinguish Ornithodoros brodyi and Ornithodoros yumatensis (Ixodida: Argasidae) in their different developmental stages
(2017)Ornithodoros brodyi and Ornithodoros yumatensis are two species distributed in the Americas and associated with bats and caves. Both species have similar morphology, and the diagnostic traits of adults have not been detailed ... -
Molecular evidence of Babesia species in Procyon cancrivorus (Carnivora, Procyonidae) in Uruguay
(2018-08)The crab-eating raccoon (Procyon cancrivorus) is a carnivore widely distributed from southern Central America to all South American countries except Chile. In the Southern cone of America, P. cancrivorus has been found ... -
Molecular, biological, and morphometric comparisons between different geographical populations of Rhipicephalus sanguineus sensu lato (Acari: Ixodidae)
(2016-01)In this study, different geographical populations of Rhipicephalus sanguineus sensu lato were compared by molecular, biological, and morphometric methods. Phylogenetic trees were constructed using 12S and 16S rDNA sequences ... -
Monepatel y control de Haemonchus contortus en ovinos. Evaluación de la eficacia luego de cuatro años de uso en condiciones de refugio reducido
(2015-04)La resistencia de los nematodes ovinos a los antihelmínticos está generalizada en el centro-norte de la Argentina y la mayor preocupación actual es el aumento y dispersión de Haemonchus contortus portando alelos con ... -
Morphological descriptions of the nymph and adults of Ornithodoros clarki, the larva and nymph of Ornithodoros rondoniensis, with notes on their phylogenetic relationships
(Springer, 2021-03-26)Based on tick specimens collected recently in Mexico, Nicaragua, Panama and Brazil, we provide morphological descriptions of the nymph and adults of Ornithodoros clarki Jones & Clifford, 1972 from the first three countries, ... -
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 ... -
Muestreo de suelos: el caso del algodón en Santa Fé
(EEA Reconquista, 2018-12)Conocer la dotación de nutrientes de los suelos requiere de un muestreo correcto, análisis de laboratorios precisos y confiables e interpretaciones eficaces de los datos. Esto sustenta la aplicación eficiente de fertilizantes ... -
Multiclass Compatible Sample Preparation for UHPLC–MS/MS Determination of Aflatoxin M1 in Raw Milk
(Springer, 2016-09)A sample preparation method for aflatoxin M1 (AFM1) determination in raw milk was optimized following the quick, easy, cheap, effective, rugged and safe (QuEChERS) strategy, as an alternative to the classic immunoaffinity ... -
Multiscale recognition of legume varieties based on leaf venation images
(2014-08)In this work we propose an automatic low cost procedure aimed at classifying legume species and varieties based exclusively on the characterization and analysis of the leaf venation network. The identification of leaf ... -
Mutagénesis como técnica en la búsqueda de variabilidad genética
(Asociación para la Promoción de la Producción Algodonera, Argentina, 2020)Las técnicas de mutagénesis o inducción de mutaciones en plantas son técnicas muy utilizadas por los fitomejoradores con el objetivo de generar diversidad genética. Esta diversidad puede afectar diversos caracteres de ... -
Mycobacterium bovis en fauna silvestre de la cuenca lechera de Santa Fe, Argentina = Mycobacterium bovis in wildlife of the dairy regions of Santa Fe (Argentina)
(2015-09)El control y la erradicación de la tuberculosis bovina basados en la detección de los animales infectados y su inmediata faena permitió lograr progresos satisfactorios en varios países y regiones, pero no todos pudieron ... -
Mycobacterium bovis en fauna silvestre de la Cuenca lechera Santa Fe – Córdoba (Argentina)
(Facultad de Ciencias Veterinarias, Universidad Nacional de Rosario, 2014)El Mycobacterium bovis (M. bovis), agente causal de la tuberculosis bovina (TBb), produce infecciones en animales domésticos, silvestres y en el hombre, por lo cual constituye un grave problema en salud pública. En las ... -
Mycotoxin sequestering agent: Impact on health and performance of dairy cows and efficacy in reducing AFM1 residues in milk
(Elsevier, 2024-01)The objectives of this study were to evaluate the exposure to a diet naturally contaminated with mycotoxins on lactation performance, animal health, and the ability to sequester agents (SA) to reduce the human exposure to ... -
N:P:S stoichiometry in grains and physiological attributes associated with grain yield in maize as affected by phosphorus and sulfur nutrition
(2017-03)Balanced nutrition is necessary to reduce yield gaps in maize. Simultaneous phosphorus (P) and sulfur (S) deficiencies may be present in soils, so a P × S interaction is expected. In maize, yield is closely related to grain ... -
Natural infestation of Hydrochoerus hydrochaeris by Amblyomma dubitatum ticks
(2014-06)Natural infestation of Amblyomma dubitatum in relation to individual specific attributes of Hydrochoerus hydrochaeris such as sex, body mass and body condition was analyzed. The anatomical distribution of A. dubitatum on ... -
Natural occurrence of entomophthoroid fungi (Entomophthoromycota) of aphids (Hemiptera: Aphididae) on cereal crops in Argentina
(2014-01)The spectrum of entomophthoroid fungal species parasitising aphids on cereal crops and a study of the phenology and prevalence of these pathogens were investigated in Argentina. The studies were conducted at six different ... -
Natural occurrence of entomophthoroid fungi of aphid pests on Medicago sativa L. in Argentina = Ocurrencia natural de hongos entomophthorales de áfidos plaga de Medicago sativa L. en Argentina
(2014-03)Four species of entomophthoroid fungi, Pandora neoaphidis (Entomophthorales: Entomophthoraceae), Zoophthora radicans (Entomophthorales: Entomophthoraceae), Entomophthora planchoniana (Entomophthorales: Entomophthoraceae) ... -
Nellore cattle (Bos indicus) and ticks within the Brazilian Pantanal: ecological relationships
(2016-02)Pantanal is a huge floodplain mostly in Brazil, and its main economic activity is extensive cattle raising, in farms characterized by an extremely wildlife-rich environment. We herein describe tick infestations of cattle ... -
Neospora caninum truncated recombinant proteins formulated with liposomes and CpG-ODNs triggered a humoral immune response in cattle after immunisation and challenge
(Elsevier, 2021-06)Abortions caused by Neospora caninum are a serious problem in cattle production and require effective immunoprophylaxis. The objective of this work was to assess the humoral immune response to four recombinant (r) N. caninum ...