EEA Rafaela: Envíos recientes
Mostrando ítems 81-100 de 596
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Development and field evaluation of an ELISA to differentiate Anaplasma marginale–infected from A. centrale–vaccinated cattle
(American Association of Veterinary Laboratory Diagnosticians, 2023-03)Immunization of calves with Anaplasma centrale is used to prevent acute anaplasmosis caused by A. marginale. Natural and vaccine-acquired immunity is detected through serologic tests based primarily on A. marginale recombinant ... -
Improvement of bovine pestiviral diagnosis by the development of a cost-effective method for detecting viral RNA in fresh specimens and samples spotted in filter papers
(Elsevier, 2023-01)Bovine pestiviruses are the causative agents of bovine viral diarrhea, a disease thatcauses severe economic losses in cattle. The aim of this study was to improve their diagnosisby developing a RT-qPCR to detect bovine ... -
Comparative assessment of different ivermectin and doramectin formulations for mange control in grazing steers
(Elsevier, 2023-04)Psoroptic mange causes relevant losses of productivity in cattle. Macrocyclic lactones are one of the main pharmacological tools recommended for controlling it. The aim of the current work was to compare the relationship ... -
Short communication: Varroa destructor re-invasion dynamics during autumn and winter in Apis mellifera colonies from a temperate climate
(Elsevier, 2023-03)Infestation with Varroa destructor compromises the survival of Apis mellifera colonies, especially during the winter season. In order to prevent colony losses due to the presence of Varroa mites, determination of the ... -
Sequía y deficiencia de fibra en dietas de vacas lecheras
(Estación Experimental Agropecuaria Balcarce, INTA, 2023-04)En el contexto actual de sequía extrema, donde la mayoría de los productores lecheros está atravesando o atravesará un déficit en la disponibilidad de forraje, resulta imperioso formular raciones que cubran los requerimientos ... -
Rol de las garrapatas Rhipicephalus (Boophilus) microplus y Amblyomma tonelliae en la transmisión de Anaplasma marginale en Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2022)Anaplasma marginale es el agente causal de la anaplasmosis bovina, enfermedad que provoca importantes pérdidas económicas en la ganadería argentina. Una de las vías de transmisión de A. marginale es por garrapatas. En ... -
Búsqueda de Borrelia spp. en garrapatas del género Amblyomma de Argentina
(Universidad de Córdoba (Colombia), 2021-12)Objetivo. El objetivo del presente estudio fue detectar la presencia de Borrelia spp. en especies de garrapatas del género Amblyomma en Argentina. Materiales y métodos. Se analizaron especímenes de garrapatas del género ... -
Eficiencia en el uso del nitrógeno en vacas lecheras y su impacto en el ambiente
(Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, 2020)El productor agropecuario se enfrenta al desafío de mejorar la eficiencia de uso de los recursos disponibles y, al mismo tiempo, reducir la contaminación ambiental. La producción animal representa una fuente significativa ... -
Caracterización de la variabilidad genética en germoplasma de Melilotus albus mediante marcadores moleculares ISSR y SSR = Characterization of genetic variability in Melilotus albus germplasm by ISSR and SSR molecular markers
(Sociedad Argentina de Genética, 2017-06)Melilotus albus is a legume plant naturalized in Argentina with a great potential to be used as a forage resource in restricted environments. Our objective was to characterize 10 accessions of M. albus belonging to a ... -
Memoria 2022. Estación Experimental Agropecuaria Rafaela
(Estación Experimental Agropecuaria Rafaela, INTA, 2023-04-04)En 2022 se retornó a condiciones de trabajo normales en la EEA Rafaela, respetando los protocolos impuestos en 2020 y 2021 por la pandemia de COVID-19. A medida que avanzó el año y éstos se fueron flexibilizando, se retomaron ... -
Factores que promovieron la trayectoria de la cooperativa apícola Cosar Ltda. del centro–norte de la provincia de Santa Fe. Período 1995 a 2015
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2020-02)El estudio se realizó a productores apícolas vinculados a la Cooperativa COSAR, integrada por 12 grupos de apicultores de diferentes localidades, institución que es reconocida en el medio agropecuario por su trayectoria y ... -
In vitro evaluation of ginsenoside Rg1 immunostimulating effect in bovine mononuclear cells
(Elsevier, 2023-05)The aim of this study was to evaluate the immunomodulatory effect of ginsenoside Rg1 on mammary secretion and peripheral blood mononuclear cells (MSMC and PBMC, respectively). The mRNA expression of TLR2, TLR4 and selected ... -
Comprehensive evaluation of abattoirs with no Hazard Analysis Critical Control Point plan in Tucumán, Argentina = Evaluación integral de frigoríficos sin un plan de análisis de peligros y puntos críticos de control en Tucumán, Argentina
(Elsevier, 2023-02-25)This work focused on the comprehensive study of two provincial transit abattoirs in Tucumán, Argentina, with no Hazard Analysis Critical Control Point (HACCP) plan. Visits (n = 20) were conducted between 2016 and 2018 ... -
Estrategias tecnológicas innovadoras para incrementar el rendimiento durante la elaboración de quesos semiduros
(Instituto de Tecnología de Alimentos, INTA, 2022-12)Cheese yield and manufacturing efficiency are the main determinants of cheese production profitability of cheese manufacturing plants. The most important factor affecting the cheese yield is the composition of the milk, ... -
Estrategias tecnológicas innovadoras para incrementar el rendimiento durante la elaboración de quesos blandos
(Instituto de Tecnología de Alimentos, INTA, 2022-12)Cheese yield and manufacturing efficiency are the main determinants of cheese production. profitability of cheese manufacturing plants. The most important factor affecting the cheese yield is the composition of the milk, ... -
Analysis of the tick communities associated to domestic mammals in rural areas of the Yungas montane forest from Argentina
(Elsevier, 2023-04)The aim of this work was to describe the tick community associated to domestic mammals in rural areas from the Yungas lower montane forest of Argentina. The circulation of tick-borne pathogens was also analyzed. Samples ... -
Do parapatric populations of the ticks Amblyomma tonelliae Nava, Beati & Labruna, 2014 and Amblyomma sculptum Berlese, 1888 (Acari: Ixodidae) hybridize?
(Royal Entomological Society, 2023-02-02)This work aimed to determine if the tick species, Amblyomma sculptum and Amblyomma tonelliae, hybridize along their contact zones in Argentina. Free-living adults and nymphs of A. sculptum and A. tonelliae were collected ... -
Phylogenetic relationships of the Amblyomma cajennense complex (Acari: Ixodidae) at mitogenomic resolution
(Elsevier, 2023-05)The genus Amblyomma is the third most diverse in the number of species within the Ixodidae, with practically half of its species distributed in the Americas, though there are also species occurring in Africa, Asia, and ... -
Ticks (Acari: Ixodidae, Argasidae) associated with wild birds in Argentina
(Elsevier, 2023-05)The aim of this study was to report tick infestations on wild birds from four Phytogeographic Provinces of Argentina. A total of 1085 birds was captured (124 species, 97 genera, 29 families and 13 orders), and ticks were ... -
Worldwide host associations of the tick genus Ixodes suggest relationships based on environmental sharing rather than on co-phylogenetic events
(BioMed Central, 2023-02-21)This study aims to capture how ticks of the genus Ixodes gained their hosts using network constructs. We propose two alternative hypotheses, namely, an ecological background (ticks and hosts sharing environmentally available ...