Artículos científicos: Envíos recientes
Mostrando ítems 201-220 de 445
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Quantification of aflatoxin M1 carry-over rate from feed to soft cheese
(Elsevier, 2019)From January to December 2016, samples of milk and feeds of dairy cattle were monthly collected. The concentration of mycotoxins in all matrices was determined using the enzymatic immunoassay technique. The average ... -
Phenotypic plasticity to drought in seedlings of the warm season grass Panicum coloratum is related to collection site
(Wiley, 2019-09)Phenotypic plasticity is the ability of organisms to modify their phenotype in response to environmental changes. We estimated and compared the amount of phenotypic plasticity in response to drought in seedlings of different ... -
Comparison of six commercial systems for the detection of non-O157 STEC in meat and vegetables
(Elsevier, 2019-12)Shiga toxin-producing Escherichia coli (STEC) are important pathogens transmitted by food that may cause severe illness in human beings. Thus, systems for STEC detection in food should have increasingly higher sensitivity ... -
Riesgos ocupacionales en estudiantes de veterinaria en Argentina
(Facultad de Ciencias Veterinarias, Universidad Nacional del Nordeste, 2019)La práctica veterinaria expone a los individuos a una gran variedad de accidentes ocupacionales (AO) y enfermedades profesionales. Los objetivos de este trabajo fueron estimar: a) la frecuencia de AO y zoonosis, b) la ... -
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 ... -
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 ... -
Comportamiento ingestivo de agua en vacas lecheras (Datos preliminares)
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2019)Durante el verano del 2018 se llevó a cabo un ensayo preliminar para determinar el comportamiento de bebida de vacas lecheras en el tambo robotizado del INTA Rafaela. En dicho ensayo se estimaron los índices de temperatura ... -
Ticks (Acari: Ixodidae) of northern Misiones Province, Argentina
(Systematic and Applied Acarology Society, 2014-12)Information on distribution and hosts of hard ticks of northern Misiones Province in Argentina is presented in this study. Ticks were identified by morphological characters and by sequences of a 410 bp fragment of the ... -
Predicting male fertility in dairy cattle using markers with large effect and functional annotation data
(BMC, 2019-04)Background: Fertility is among the most important economic traits in dairy cattle. Genomic prediction for cow fertility has received much attention in the last decade, while bull fertility has been largely overlooked. The ... -
Genomic prediction of bull fertility in US Jersey dairy cattle
(Elsevier, 2019-04)Service sire has a major effect on reproductive success in dairy cattle. Recent studies have reported accurate predictions for Holstein bull fertility using genomic data. The objective of this study was to assess the ... -
Description of Ornithodoros montensis n. sp. (Acari, Ixodida: Argasidae), a parasite of the toad Rhinella arenarum (Amphibia, Anura: Bufonidae) in the Monte Desert of Argentina
(Springer, 2019-05)A new tick species of the genus Ornithodoros (Acari: Argasidae) was described from larvae collected on the toad Rhinella arenarum in a locality from Argentina belonging to the Monte Biogeographic Province. Ornithodoros ... -
Effects of the liposomal co-encapsulation of antigen and PO-CpG oligonucleotide on immune response in mice
(International Journal for Research, 2017-06)The development of novel vaccines requires the design of new adjuvants able to give long lasting immune responses. Our aim was to obtain cationic liposomes as adjuvants by an industry-suitable method, and evaluate them ... -
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 ... -
Relationship between pharmacokinetics of ivermectin (3.15%) and its efficacy to control the infestation with the tick Rhipicephalus (Boophilus) microplus in cattle
(Elsevier, 2019-04)This study aimed to determine the relationship between the variation in plasma concentration of ivermectin 3.15% over time and its efficacy against the cattle tick Rhipicephalus (Boophilus) microplus. In addition, a trial ... -
Comprehensive evaluation and implementation of improvement actions in butcher shops
(Plos One, 2016-09-12)Foodborne pathogens can cause acute and chronic diseases and produce a wide range of symptoms. Since the consumption of ground beef is a risk factor for infections with some bacterial pathogens, we performed a comprehensive ... -
Broad-range lytic bacteriophages that kill Staphylococcus aureus local field strains
(Plos One, 2017-07)Staphylococcus aureus is a very successful opportunistic pathogen capable of causing a variety of diseases ranging from mild skin infections to life-threatening sepsis, meningitis and pneumonia. Its ability to display ... -
Development of a novel fusion protein with Anaplasma marginale and A. centrale MSP5 improved performance of Anaplasma antibody detection by cELISA in infected and vaccinated cattle
(Plos One, 2019-01-23)Detection of antibodies to Anaplasma spp. using commercial competitive enzyme-linked immunosorbent assay (ccELISA) is based on the recombinant major surface protein 5 fused to maltose binding protein (MBP-MSP5) or glutathione ... -
Genetic analysis of Rhipicephalus sanguineus sensu lato ticks, parasites of dogs in the Canary Islands, Cyprus, and Croatia, based on mitochondrial 16S rRNA gene sequences
(Springer, 2019-03)The aim of this work was to perform an analysis based on mtDNA sequences of the 16S rRNA gene in order to determine the phylogenetic position of ticks belonging to the Rhipicephalus sanguineus group from the Canary Islands, ... -
Quantitative risk assessment of human trichinellosis caused by consumption of pork meat sausages in Argentina
(Wiley, 2016-03)In Argentina, there are three known species of genus Trichinella; however, Trichinella spiralis is most commonly associated with domestic pigs and it is recognized as the main cause of human trichinellosis by the consumption ... -
Prevalence of entomophthoralean fungi (Entomophthoromycota) of aphids in relation to developmental stages
(Wiley, 2016-08)BACKGROUND: Transmission of fungal pathogens of aphids may be affected by the host developmental stage. Brassica and Lactuca sativa L. crops were sampled in Santa Fe, Argentina, to determine the prevalence of fungal‐diseased ...