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Mostrando ítems 21-40 de 46
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Evaluación de la actividad inmunogénica de una vacuna para profilaxis de la anaplasmosis bovina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, 2019)El objetivo de este trabajo fue formular una vacuna criopreservada para la prevención de la anaplasmosis y evaluar su actividad inmunogénica. Se utilizó una vacuna monovalente de 2,5x107 eritrocitos bovinos infectados con ... -
Evaluación de la respuesta serológica contra IBR a partir de la utilización de vacunas polivalentes disponibles en el mercado
(Facultad de Ciencias Veterinarias, Universidad Nacional de La Pampa, 2023-07-01)La Rinotraqueítis infecciosa bovina (IBR) es una enfermedad de distribución mundial que provoca grandes pérdidas económicas en nuestro país y el mundo. En la provincia de La Pampa se ha reportado su presencia y amplia ... -
Evaluation of different live Salmonella enteritidis vaccine schedules administered during layer hen rearing to reduce excretion, organ colonization, and egg contamination
(Oxford University Press, 2019-01-25)Salmonellosis caused by Salmonella Enteritidis is a widespread zoonosis and poultry products are an important source of infection. This study was carried out to evaluate the protection of different vaccination schedules ... -
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 Tritrichomonas foetus infection clearance in heifers immunized with a single intravaginal dose of formaldehyde fixed strain B1 cells
(Elsevier, 2018-05-15)Vaccines against Tritrichomonas foetus have been shown to reduce the time of infection after natural or experimental exposure. The object of this study was to assess the protection against T. foetus infection conferred by ... -
Functional role of antibodies generated in heifers through immunization with Staphylococcus aureus vaccines in invasion and phagocytosis assays
(2014-11)A successful Staphylococcus aureus vaccine should elicit a long-term antibody response that prevents establishment of the infection. The aim of the present study was to evaluate the functional role of antibodies raised ... -
Hacia una vacuna contra el Coronavirus causante de la Covid-19
(EEA Bariloche, INTA, 2021-08)En el Grupo de Nanomedicina Veterinaria del IFAB (INTA EEA Bariloche/CONICET), junto a la Dirección Médica de Laboratorios Bagó S.A., estamos trabajando en el desarrollo de una vacuna génica contra SARS-CoV-2, económica, ... -
Histopathological analysis of placental lesions caused by Chlamydia abortus 1B vaccine strain in vaccinated ewes
(Microbiology Society, 2022)Chlamydia abortus is one of the most diagnosed causes of infectious abortion in small ruminants. Infections can be controlled using the live, attenuated C. abortus strain 1B vaccine, which has been associated with infection ... -
Immune response and functional role of antibodies raised in heifers against a Staphylococcus aureus CP5 lysate and recombinant antigens vaccine formulated with Iscom Matrix adjuvant
(2014-12-15)Staphylococcus aureus is the most frequently isolated pathogen from bovine intramammary infections worldwide. Commercially available vaccines for mastitis control are composed either of S. aureus lysates or inactivated ... -
Immune response of heifers against a Staphylococcus aureus CP5 whole cell and lysate vaccine formulated with ISCOM Matrix adjuvant
(2014-02)Staphylococcus aureus is the most frequently isolated pathogen from bovine intramammary infections worldwide. Commercially available vaccines for mastitis control are composed either of S. aureus lysates or whole-cells ... -
Immunization of lambs with the S48 strain of Toxoplasma gondii reduces tissue cyst burden following oral challenge with a complete strain of the parasite
(Elsevier, 2014-09-15)This study evaluates the influence of immunizing lambs with the incomplete S48 strain of Toxoplasma gondii, on parasite dissemination following a live oral challenge with a complete strain of T. gondii (M4). Lambs were ... -
Kinetics of foot-and-mouth disease vaccine-induced antibody responses in buffaloes (Bubalus bubalis): avidity ELISA as an alternative to the virus neutralization test
(Frontiers Media, 2023-11)The role of water buffaloes in foot-and-mouth disease (FMD) epidemiology as one of the major hosts of the virus that can develop persistent asymptomatic infection highlights the importance of sustaining surveillance on the ... -
Liposomal and CpG-ODN formulation elicits strong humoral immune responses to recombinant Staphylococcus aureus antigens in heifer calves
(Elsevier, 2019-05-01)Bovine mastitis caused by Staphylococcus aureus is a serious problem in dairy production and effective immunoprophylaxis is an unmet goal so far. The objective of this work was to assess the humoral immune response of ... -
Molecular characterization of infectious bursal disease virus (IBDV) isolated in Argentina indicates a regional lineage
(2015-08)In Argentina, classical vaccines are used to control infectious bursal disease virus (IBDV); however, outbreaks of IBDV are frequently observed. This could be due to failures in the vaccination programs or to the emergence ... -
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 ... -
Preparation and characterization of a Staphylococcus aureus capsular polysaccharide-protein conjugate prepared by a low cost technique: a proof-of-concept study
(2015-01)Staphylococcus aureus is a worldwide distributed pathogen that produces several diseases in many species and is the major cause of mastitis in dairy cows. S. aureus capsular polysaccharide 5 (CP5) has been widely proposed ... -
Producción y evaluación de antígenos recombinantes para el diagnóstico serológico y la generación de vacunas para el control de la anaplasmosis bovina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2020)La anaplasmosis bovina, causada por Anaplasma marginale (rickettsia intraeritrocítica transmitida por artrópodos hematófagos), es una enfermedad infecciosa de gran interés por las severas pérdidas económicas que ocasiona. ... -
Producción y evaluación de antígenos recombinantes para el diagnóstico serológico y la generación de vacunas para el control de la anaplasmosis bovina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2020)En este trabajo se abordó la anaplasmosis de forma integral, desde el diagnóstico y la prevención. La evaluación serológica de la enfermedad se realiza por ELISA de competición (ELISAc), utilizando como antígeno a la ... -
Respuesta inmune en caprinos criollos vacunados con la vacuna Brucella melitensis REV 1 aplicada por vía conjuntival
(Sociedad de Medicina Veterinaria (SOMEVE) de la Republica Argentina, 2020-03)Se evaluó la respuesta inmune humoral producida por la vacuna Brucella melitensis REV 1 conjuntival en caprinos criollos. Se utilizaron 11 caprinos adultos divididos en 3 grupos: G1 (5 hembras) y G2 (3 machos) que fueron ... -
Reverse Vaccinology approach for antigen candidates prioritization to develop a vaccine against a poultry pathogen
(Sociedad Argentina de Investigación Clínica, 2022-11)Avibacterium paragallinarum (AvP) is the causative agent of infectious coryza, an acute disease that affects the upper respiratory system of chickens. This Gram-negative pathogen is widely distributed in poultry production ...