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Mostrando ítems 41-60 de 93
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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 ... -
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 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 ... -
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 ... -
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 ... -
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 ... -
Genomic analysis of shiga toxin-containing Escherichia coli O157:H7 isolated from Argentinean cattle
(Plos, 2021-10)Cattle are the main reservoir of Enterohemorrhagic Escherichia coli (EHEC), with O157:H7 the distinctive serotype. EHEC is the main causative agent of a severe systemic disease, Hemolytic Uremic Syndrome (HUS). Argentina ... -
Genotyping and study of the pauA and sua genes of Streptococcus uberis isolates from bovine mastitis = Genotipificación y estudio de los genes pauA y sua de aislamientos de Streptococcus uberis de mastitis bovina
(2015-12)This study aimed to determine the clonal relationship among 137 Streptococcus uberis isolates from bovine milk with subclinical or clinical mastitis in Argentina and to assess the prevalence and conservation of pauA and ... -
Gordura protegida na dieta de vacas de alta produção a campo, em alfafa verde ou pré-secada, na fase inicial da lactação. Parâmetros plasmáticos
(Sociedade Brasileira de Zootecnia, 2003)O trabalho foi desenvolvido na Estação Experimental Agropecuária do Instituto Nacional de Tecnologia Agropecuária (EEA-INTA, Rafaela) da Argentina. Foram utilizadas 32 vacas da raça Holando-Argentina, de alta produção ... -
Guía para el control de los parásitos externos en bovinos de leche del área central de la Argentina : 02
(Ediciones INTA, 2017)La Guía para el control de los parásitos externos en bovinos de leche del área central de la Argentina sintetiza la información actualmente disponible sobre el control de los parásitos externos de mayor importancia económica ... -
Guía para la identificación de las principales especies de garrapatas que parasitan a los bovinos en la provincia de Entre Ríos, Argentina
(Ediciones INTA, 2019)Desde una perspectiva taxonómica, resulta fundamental la determinación de las distintas especies de garrapatas que parasitan con frecuencia a los bovinos. En este sentido, la correcta diagnosis morfológica diferencial de ... -
Identificación molecular de especies de mycoplasma de origen bovino aislados de la Cuenca Lechera Central
(Facultad de Ciencias Veterinarias de Esperanza, Universidad Nacional del Litoral, 2017)Los Mycoplasma pertenecen a la clase Mollicutes y son los microorganismos procariotas autoreplicables más pequeños que existen en la naturaleza. Estos organismos carecen de pared celular y tienen una limitada capacidad ... -
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 ... -
Immune response of heifers against a Staphylococcus aureus CP5 whole cell vaccine formulated with ISCOMATRIX™ adjuvant
(2013-02)The shortcomings of Staphylococcus aureus vaccines to control bovine mastitis have been attributed to insufficient capacity of the vaccines to induce opsonizing antibodies and to stimulate cellular immune responses. Types ... -
In vitro diagnosis of resistance of the cattle tick Rhipicephalus (Boophilus) microplus to fipronil in Argentina
(Springer, 2020-09)The aim of this work was to adapt and apply the in vitro larval bioassay packet test (LPT) to diagnose resistance of Rhipicephalus microplus ticks to fipronil in Argentina. Ten serial dilutions of fipronil were included ... -
Influence of the cattle body weight estimation for drug dosing on the pharmacokinetic and efficacy of ivermectin against Rhipicephalus (Boophilus) microplus
(Systematic and Applied Acarology Society, 2022-08)This study aimed to evaluate how the method of body weight estimation of a herd (average vs individual) for drug dosing may affect the pharmacokinetics and therapeutic efficacy of ivermectin 3.15% against Rhipicephalus ...