Artículos científicos: Envíos recientes
Mostrando ítems 41-60 de 439
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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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Casos de anaplasmosis, babesiosis y tripanosomiasis bovina registradas en el INTA Rafaela (2012-2019)
(Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, 2022-06)Anaplasmosis, babesiosis y tripanosomiasis de los bovinos son enfermedades de importancia económica provocadas por Anaplasma marginale, Babesia bovis y/o Babesia bigemina, y Trypanosoma vivax, respectivamente. En este ... -
Seguros agropecuarios basados en índices. Situación actual y visión de mercado de compañías aseguradoras
(Facultad de Ciencias Económicas, Universidad de Buenos Aires, 2022-04)En el presente trabajo se aborda el estado de desarrollo de los seguros agropecuarios basados en índices en Argentina. Asimismo, se analizan la penetración de mercado y las perspectivas comerciales a cinco años a través ... -
Evaluación in vitro de la resistencia antimicrobiana en Campylobacter termotolerantes presentes en planta de faena aviar
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2022-05)Considerando que Campylobacter termotolerante (CT) es un agente zoonótico de gran relevancia en la seguridad alimentaria y, por ende, en la salud pública, se desarrolló este trabajo con el objetivo de determinar fenotípicamente ... -
Dissecting light sensing and metabolic pathways on the millimeter scale in high-altitude modern stromatolites
(Springer, 2022-10)Modern non-lithifying stromatolites on the shore of the volcanic lake Socompa (SST) in the Puna are affected by several extreme conditions. The present study assesses for the first time light utilization and functional ... -
Increase of milk heat stability by addition of casein glycomacropeptide
(Elsevier, 2023-04)The effect of caseinglycomacropeptide (CMP) addition on the heat stability and physicochemical characteristics of milk was studied. The heat coagulation time (HCT) of milk samples with different CMP concentrations added ... -
Differential immune response to two Staphylococcus aureus strains with distinct adaptation genotypes after experimental intramammary infection of dairy cows
(Elsevier, 2022-11)The aim of this study was to evaluate and compare the ability of two S. aureus strains with different adaptation genotypes (low and high) to the bovine mammary gland (MG) to establish an intramammary infection (IMI) and ... -
Use and comparison of serologic assays to detect anti-Neospora caninum antibodies in farmed red deer (Cervus elaphus)
(Elsevier, 2023-01)Neospora caninum is a protozoan parasite that cause abortion in different ruminant species, including red deer ( Cervus elaphus). There are no validated assays to be performed with sera from red deer. At the present work, ...