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Mostrando ítems 166-185 de 439
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Evaluation of a competitive inhibition ELISA based on the recombinant protein tSAG1 to detect anti–Neospora caninum antibodies in cattle
(American Association of Veterinary Laboratory Diagnosticians (AAVLD), 2020-05)Neospora caninum is a protozoan parasite that causes abortion and important economic losses in cattle worldwide. There are no treatments or vaccines available; disease control is based on diagnosis and herd management ... -
Evaluation of decontamination efficacy of commonly used antimicrobial interventions for beef carcasses against Shiga toxin-producing Escherichia coli
(2018-08)In Argentina, Shiga toxin producing Escherichia coli (STEC) serogroups O157, O26, O103, O111, O145 and O121 are adulterant in ground beef. In other countries, the zero-tolerance approach to all STEC is implemented for ... -
Evaluation of frequency of antibodies against Neospora caninum, Toxoplasma gondii and Brucella melitensis, risk factors and spatial distribution of infection in goat and sheep flocks from Argentina
(Elsevier, 2023-11)Neospora caninum, Toxoplasma gondii and Brucella melitensis are pathogens that cause abortion in small ruminants. Besides, B. melitensis and T. gondii are zoonotic pathogens. The aim of this study was to describe the ... -
Evaluation of intervention measures at different stages of the production chain in Argentinian exporting abattoirs
(Sage Publications, 2019-09)Antimicrobial treatments could help to decrease the transmission of microorganisms to beef carcasses and abattoir environments. The aim of this study was to evaluate the effectiveness of interventions in reducing Shiga ... -
Evaluation of the humoral immune response to a multicomponent recombinant vaccine against S. aureus in healthy pregnant heifers
(2018-05)Staphylococcus aureus is a worldwide pathogen that causes mastitis in dairy herds. Shortcomings in control programs have encouraged the development of vaccines against this pathogen. This study evaluated the vaccine candidate ... -
Evaluation of the immune response to Anaplasma marginale MSP5 protein using a HSV-1 amplicon vector system or recombinant protein
(2014-12)Anaplasma marginale is an intraerythrocytic vector-borne infectious agent of cattle. Immunization with the current vaccine, based on parasitized erythrocytes with live Anaplasma centrale, shows some constraints and confers ... -
Evaluation of the impact of successive acaricide treatments on resistance evolution in Rhipicephalus microplus populations: Monodrugs versus drug combinations
(Elsevier, 2023-11)The aim of this work was to comparatively evaluate the evolution of resistance in Rhipicephalus microplus tick populations exposed to successive treatments with monodrug-based formulations and combinations of them in the ... -
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 ... -
Evolutionary changes in symbiont community structure in ticks
(2017-06)Ecological specialization to restricted diet niches is driven by obligate, and often maternally inherited, symbionts in many arthropod lineages. These heritable symbionts typically form evolutionarily stable associations ... -
Exotic tick detected in Argentina on a tourist returning from South Africa
(Elsevier, 2021-02-12)The aim of this study was to report the finding of a nymph attached to an Argentinean tourist returning from South Africa. The nymph specimen was morphologically analysed, submitted to DNA extraction and amplifying the 16S ... -
Exploring Soil Bacterial Diversity in Relation to Edaphic Physicochemical Properties of High-altitude Wetlands from Argentine Puna
(Springer, 2024-01)High Andean wetlands, particularly those known as vegas or bofedales, are essential conservation ecosystems due to their significant contribution to ecosystem services. The soil microbial communities in these ecosystems ... -
Exploring the ecological and evolutionary relationships between Rickettsia and hard ticks in the Neotropical region
(Elsevier, 2021-06)This study addresses a meta-analysis of the distribution of Rickettsia spp. in the Neotropical region, as well as their associations with ticks and vertebrates. A total of 219 published reports on Rickettsia in ticks in ... -
Factores asociados al uso, disposición y eliminación de elementos de protección personal y otros insumos de la clínica veterinaria de grandes animales
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2019)Se efectuó un estudio transversal en 330 Médicos Veterinarios de grandes animales en la Provincia de Santa Fe, Argentina para estimar: a) frecuencia de uso y disposición final de elementos de protección personal e insumos ... -
Factores de riesgo asociados a la aparición de alteraciones ganglionares mandibulares en bovinos
(2018)En los bovinos, las alteraciones ganglionares mandibulares (AGM) son afecciones con base en ganglios linfáticos de cabeza y cuello que son diagnosticadas comúnmente como actinobacilosis, tanto en las unidades productivas ... -
Factores de virulencia de Staphylococcus aureus asociados con infecciones mamarias en bovinos: relevancia y rol como agentes inmunógenos = Virulence factors of Staphylococcus aureus associated with intramammary infections in cows: Relevance and role as immunogens
(2013)Staphylococcus aureus es el microorganismo causante de mastitis bovina más prevalente en Argentina y en el mundo. La falta de efectividad frente a este organismo de los métodos tradicionales de control, basados en la higiene ... -
Factors affecting patterns of Amblyomma triste (Acari: Ixodidae) parasitism in a rodent host
(2015-07-30)Here we offer a multivariable analysis that explores associations of different factors (i.e., environmental, host parameters, presence of other ectoparasites) with the interaction of Amblyomma triste immature stages and ... -
Factors associated with hard tick (Acari: Ixodidae) parasitism in medium-sized mammals in the Atlantic Rainforest region of Argentina
(2018-06)Associations with environmental and host parameters were assessed to describe tick parasitism patterns in two medium-sized mammals of the Atlantic rainforest region of Argentina. Ticks found on 93 specimens of Nasua nasua ... -
Faecal culturable microbiota, growth and clinical parameters of calves supplemented with lactic acid bacteria and lactose prior and during experimental infection with Salmonella Dublin DSPV 595T = Microbiota cultivable fecal, crecimiento y parámetros clínicos de terneros suplementados con bacterias ácido lácticas y lactosa previo y durante una infección experimental con Salmonella Dublin DSPV 595T
(Facultad de Ciencias Veterinarias, Universidad Austral de Chile, 2015)The aim of this study was to evaluate the probiotic inoculum + lactose effect on weight, intestinal culturable microbiota, morbidity and mortality of young calves challenged with Salmonella Dublin DSPV 595T. Twenty eight ... -
Feeding Calcium Salts of Linseed Oil on Productive Performance and Milk Fatty Acid Profile in Grazing Dairy Cows
(Scientific Research Publishing, 2020-10)The objective of this study was to determine the effect of supplying calcium salts of linseed oil (Ca-FA) rich in omega-3 (α-linolenic acid) on the production and chemical composition of milk and its nutraceutical value ... -
Field evaluation of Varroa-resistance traits in surviving Apis mellifera colonies in Argentina
(Springer, 2021-10)Varroa destructor is one of the most important sanitary threats for the beekeeping industry and so far disease control is based mainly on chemical treatment. However, a long-term solution may arise from studying natural ...