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Autores
Mostrando ítems 41-60 de 100
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Field evaluation of Varroa-resistance traits in surviving Apis mellifera colonies in Argentina
Visintini, Miguel; Pacini, Adriana Cecilia; Merke, Julieta; Scannapieco, Alejandra Carla; Molineri, Ana Ines; Orellano, Julio Cesar; Bedascarrasbure, Maria Belen; Miotti, Camila; Ceccotti, Micaela; Bulacio Cagnolo, Natalia Veronica; Signorini Porchiett, Marcelo Lisandro; Giacobino, Agostina (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 ... -
Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
Giacobino, Agostina; Rivero, Ana Inés; Molineri, Ana Ines; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Salto, Cesar Eduardo; Signorini, Marcelo (2016)Information on the long‑term consequences of Nosema ceranae to honey bee lifespan and effectiveness of Nosema control with fumagillin is scarce and not always consistent. Our objective in this study was to evaluate the ... -
Genetic diversity of thermotolerant Campylobacter spp. isolates from different stages of the poultry meat supply chain in Argentina = Diversidad genética de Campylobacter spp. termotolerantes aislados de diferentes etapas de la cadena cárnica aviar en Argentina
Zbrun, María Virginia; Romero Scharpen, Analía; Olivero, Carolina Raquel; Zimmermann, Jorge Alberto; Rossler, Eugenia; Soto, Lorena Paola; Astesana, Diego Martín; Blajman, Jesica E.; Berisvil, Ayelén Patricia; Frizzo, Laureano Sebastian; Signorini, Marcelo (2017-09)The objective of this study was to investigate a clonal relationship among thermotolerant Campylobacter spp. isolates from different stages of the poultry meat supply chain in Argentina. A total of 128 thermotolerant ... -
Genotypic and phenotypic detection of capsular polysaccharide and biofilm formation in Staphylococcus aureus isolated from bovine milk collected from Brazilian dairy farms
Salimena, Alessandra P.S.; Lange, Carla C.; Camussone, Cecilia; Signorini, Marcelo; Calvinho, Luis Fernando; Brito, María A.V.P.; Borges, Cristiano A.V.; Guimaraes, Alessandro S.; Ribeiro, Joao B.; Mendonca, Leticia C.; Piccoli, Roberta H. (2016-12)Staphylococcus aureus is a pathogen that frequently causes mastitis in bovine herds worldwide. This pathogen produces several virulence factors, including cell-associated adhesins, toxic and cytolytic exoproteins, and ... -
Identificación de factores de riesgos asociados a la presentación de endometritis en bovinos lecheros
Recce, Sebastian; Russi, Norma; Massera, Ariel Fernando; Signorini, Marcelo (Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, 2014)El objetivo del presente trabajo fue identificar factores asociados a la presentación de endometritis en vacas lecheras posparto. Se muestrearon 152 vacas (aproximadamente con 40 días posparto) pertenecientes a cuatro ... -
Impact of lyophilized Lactobacillus salivarius DSPV 001P administration on growth performance, microbial translocation, and gastrointestinal microbiota of broilers reared under low ambient temperature
Blajman, Jesica E.; Olivero, Carolina Raquel; Fusari, Marcia Lucia; Zimmermann, Jorge Alberto; Rossler, Eugenia; Berisvil, Ayelén Patricia; Romero Scharpen, Analía; Astesana, Diego Martín; Soto, Lorena Paola; Signorini, Marcelo; Zbrun, María Virginia; Frizzo, Laureano Sebastian (2017-10)This study was undertaken with the aim of investigating the effects of dietary supplementation of probiotic strain Lactobacillus salivarius DSPV 001P on growth performance, microbial translocation, and gastrointestinal ... -
Impact of native spray-dried lactic acid bacteria, packing density and wilting time on fermentation characteristics of experimental maize and lucerne silages
Blajman, Jesica; Signorini Porchiett, Marcelo Lisandro; Vinderola, Celso Gabriel; Lingua, Mariana Soledad; Romero, Luis Alberto; Paez, Roxana Beatriz; Casas, Cecilia I.; Bergamini, Carina Viviana; Gimenez, Paula; Gaggiotti, Monica Del Carmen (Wiley, 2022-03)This study aimed at investigating the effects of an autochthonous microbial inoculant microencapsulated by spray-drying on fermentation parameters, microbiological composition, mycotoxin level and aerobic stability of maize ... -
Impact of probiotics on growth performance and shrimp survival: A meta-analysis
Toledo, Adrian; Frizzo, Laureano Sebastian; Signorini, Marcelo; Bossier, Peter; Arenal, Amilcar (Elsevier, 2019-02)Probiotics have emerged as promising alternatives for improving resistance to diseases and stimulating growth of farmed shrimp. The aim of the present work was to assess the effect of probiotic addition on shrimp survival ... -
In vitro and in vivo screening of native lactic acid bacteria toward their selection as a probiotic in broiler chickens
Blajman, Jesica E.; Gaziano, Cristian; Zbrun, María Virginia; Soto, Lorena Paola; Astesana, Diego Martín; Berisvil, Ayelén Patricia; Romero Scharpen, Analía; Signorini, Marcelo; Frizzo, Laureano Sebastian (2015-08)Among 360 isolates from the gastrointestinal tract (GIT) of broilers, eleven isolates which showed in vitro probiotic properties were identified and selected for further tests. After the in vitro screening, three strains ... -
In vitro screening and in vivo colonization pilot model of Lactobacillus plantarum LP5 and Campylobacter coli DSPV 458 in mice
Ruiz, María Julia; Zbrun, María Virginia; Signorini Porchiett, Marcelo Lisandro; Zimmermann, Jorge Alberto; Soto, Lorena Paola; Rosmini, Marcelo Raúl; Frizzo, Laureano Sebastian (Springer, 2021-06)The objective of this work was to determine the antibacterial effect of Lactobacillus plantarum strains of pork origin against Campylobacter coli strains, and to conduct experimental colonization pilot models in mice for ... -
Intestinal microbiota modulation in juvenile Pacú (Piaractus mesopotamicus) by supplementation with Pyropia columbina and β-carotene
Rossi, L.T.; Romero Scharpen, Analía; Zimmermann, Jorge Alberto; Olivero, Carolina Raquel; Zbrun, María Virginia; Frizzo, Laureano Sebastian; Signorini Porchiett, Marcelo Lisandro; Bacchetta, Carla; Cian, Raúl Esteban; Cazenave, Jimena; Soto, Lorena Paola; Drago, Silvina (Springer, 2020-06)The aim was to evaluate the effects of diet supplementation with red seaweed Pyropia columbina or β-carotene on the intestinal microbiota of juvenile Pacú (Piaractus mesopotamicus). Three hundred and fifteen fish (body ... -
Isolation and characterization of non-O157 Shiga toxin-producing Escherichia coli from beef carcasses, cuts and trimmings of abattoirs in Argentina
Brusa, Victoria; Restovich, Viviana; Galli, Lucía; Teitelbaum, David; Signorini, Marcelo; Brasesco, Hebe; Londero, Alejandra; García, Diego; Padola, Nora Lía; Superno, Valeria; Sanz, Marcelo; Petroli, Sandra; Costa, Magdalena; Bruzzone, Mariana; Sucari, Adriana; Ferreghini, Marcela; Linares, Luciano; Suberbie, Germán; Rodriguez, Hector Ricardo; Leotta, Gerardo Anibal (2017-08-22)Several foods contaminated with Shiga toxin-producing Escherichia coli (STEC) are associated with human diseases. Some countries have established microbiological criteria for non-O157 STEC, thus, the absence of serogroups ... -
Key management practices to prevent high infestation levels of Varroa destructor in honey bee colonies at the beginning of the honey yield season
Giacobino, Agostina; Molinari, Ana; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Salto, Cesar Eduardo; Signorini, Marcelo; Pacini, Adriana Cecilia (2016)Varroa destructor is considered one of the main threats to worldwide apiculture causing a variety of physiological effects at individual and colony level. Also, Varroa mites are often associated with several honey bee ... -
Laboratory and field studies to evaluate the potential of an open rearing system of Lysiphlebus testaceipes for the control of Aphis craccivora in Argentina
Zumoffen, Leticia; Tavella, Julia Rita; Signorini, Marcelo; Salvo, Silvia Adriana (2016-02)The aim of this work was to examine, both in the field and in the laboratory, ecological aspects of selected plant–aphid–parasitoid interactions to evaluate their potential for the open rearing of the parasitoid Lysiphlebus ... -
Low-cost culture medium for biomass production of lactic acid bacteria with probiotic potential destined to broilers = Desarrollo de un medio de cultivo de bajo costo para la producción de biomasa potencialmente probiótica destinado a pollos parrilleros
Berisvil, Ayelén Patricia; Astesana, Diego Martín; Zimmermann, Jorge Alberto; Frizzo, Laureano Sebastian; Rossler, Eugenia; Romero Scharpen, Analía; Olivero, Carolina Raquel; Zbrun, María Virginia; Signorini Porchiett, Marcelo Lisandro; Sequeira, Gabriel Jorge; Drago, Silvina; Soto, Lorena Paola (Facultad de Ciencias Veterinarias, Universidad Nacional del Litoral, 2021-01)The aim of this study was to evaluate different low-cost culture media for biomass production of 3 potential probiotic L. salivariusstrains, which could be destined to broilers at farms. Different formulated ... -
Meta-analysis of risk factors for canine leptospirosis
Ricardo, Tamara; Previtali, M. Andrea; Signorini, Marcelo (Elsevier, 2020-08)Leptospirosis is one of the most widespread zoonotic diseases, with more than one million human cases reported worldwide every year. Dogs could develop infections that range from asymptomatic to severe, and shed leptospires ... -
Meta-analysis of the prevalence of norovirus and hepatitis a virus in berries
Miotti, Camila; Signorini Porchiett, Marcelo Lisandro; Oteiza, Juan Martín; Prez, Verónica Emilse; Barril, Patricia Angélica (Elsevier, 2024-03)Norovirus (NoV) and hepatitis A virus (HAV) stand as the predominant agents associated with viral foodborne infections. Outbreaks have been documented to be caused by various types of food items, including fresh and/or ... -
Meta‐analysis of the prevalence of thermotolerant Campylobacter in food‐producing animals worldwide
Rossler, Eugenia; Signorini, Marcelo; Romero Scharpen, Analía; Soto, Lorena Paola; Berisvil, Ayelén Patricia; Zimmermann, Jorge Alberto; Fusari, Marcia Lucia; Olivero, Carolina Raquel; Zbrun, María Virginia; Frizzo, Laureano Sebastian (Wiley, 2019-06)The objective of this meta‐analysis was to summarize available information on the prevalence of thermotolerant Campylobacter (TC) in different food‐producing animals worldwide. Databases (i.e., PubMed, ScienceDirect, Scopus) ... -
Miel de abeja producida en un sistema lechero en base a pastura de alfalfa (composición fisicoquímica, palinológica y sensorial)
Gaggiotti, Monica Del Carmen; Signorini, Marcelo; Sabbag, N.; Wanzenried Zamora, Rosana Andrea; Cuatrin, Alejandra (2014)El objetivo de este estudio fue caracterizar mieles producidas en apiarios localizados en el centro de la provincia de Santa Fe, Argentina. Durante cinco campañas se analizaron fisicoquímica, palinológica y sensorialmente ... -
Migration of Rhipicephalus microplus ticks among cattle
Mazzucco Panizza, Matilde Nahimé; Rossner, Maria Victoria; Signorini Porchiett, Marcelo Lisandro; Nava, Santiago (Royal Entomology Society, 2022-11)The aim of this work was to quantitatively analyse the magnitude of the migration of Rhipicephalus microplus ticks among cattle under field conditions, in groups of bovines with different stocking rates. The role of this ...