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Mostrando ítems 1-20 de 21

    • Determination of imidacloprid in beehive samples by UHPLC-MS/MS 

      Michlig, Melina P.; Merke, Julieta; Pacini, Adriana Cecilia; Orellano, Emanuel; Beldoménico, Horacio Ramón; Repetti, María Rosa (2018)
      Imidacloprid is a systemic insecticide belonging to the neonicotinoid family. It was the first neonicotinoid introduced in the mid-1990s, and since then, its use has grown rapidly to control pests in a variety of agricultural ...

    • Distribution and prevalence of Nosema apis and N. ceranae in temperate and subtropical eco-regions of Argentina 

      Pacini, Adriana Cecilia; Mira, Anabela; Molineri, Ana Ines; Giacobino, Agostina; Bulacio Cagnolo, Natalia Veronica; Aignasse, Andrea María Elisa; Zago, Luis Fernando Basili; Izaguirre, Mercedes; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Pietronave, Hernan Pablo; Russo, Romina Maria; Scannapieco, Alejandra Carla; Lanzavecchia, Silvia Beatriz; Schnittger, Leonhard; Signorini, Marcelo (2016-11)
      A total of 361 colonies from 59 apiaries located in two temperate and three subtropical eco-regions were examined during the post-harvest period to determine distribution and prevalence of Nosema spp. Apiaries from subtropical ...

    • Efecto de la ubicacion y el tiempo de permanencia de la miel en la colmena sobre la humedad, el color y el HMF 

      Gaggiotti, Monica Del Carmen; Orellano, Emanuel; Wanzenried Zamora, Rosana Andrea; Merke, Julieta; Giacobino, Agostina; Pacini, Adriana Cecilia; Signorini Porchiett, Marcelo Lisandro (Editorial Eunk, 2024-06)
      Los alimentos azucarados son muy sensibles al calor y pueden deteriorarse durante el almacenamiento. El hidroximetilfurfural (HMF) es un compuesto formado por la deshidratación de la fructosa, su presencia en la miel se ...

    • Environment and Varroa destructor management as determinant of colony losses in apiaries under temperate and subtropical climate 

      Molineri, Ana Ines; Giacobino, Agostina; Pacini, Adriana Cecilia; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Zago, Luis Fernando Basili; Aignasse, Andrea María Elisa; Pietronave, Hernan Pablo; Rodriguez, Graciela Adriana; Crisanti, Paola Andrea; Palacio, María Alejandra; Signorini, Marcelo (2018-07)
      For the last 10 years, honey bee colony losses have been a topic of interest for researchers around the world, and many drivers for losses were described. The aim of this study was to evaluate the risk factors associated ...

    • Environment or beekeeping management : What explains better the prevalence of honey bee colonies with high levels of Varroa destructor? 

      Giacobino, Agostina; Pacini, Adriana Cecilia; Molineri, Ana Ines; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Signorini, Marcelo (2017)
      Varroa destructor is one of the major threats to honey bee colonies. The mite abundance in the colonies is affected by environmental conditions as well as by beekeeping management. The aim of this study was to recognize ...

    • Environmental conditions and beekeeping practices associated with Nosema ceranae presence in Argentina 

      Pacini, Adriana Cecilia; Molineri, Ana Ines; Antúnez, Karina; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Zago, Luis Fernando Basili; Aignasse, Andrea Maria Elisa; Pietronave, Hernan Pablo; Rodriguez, Graciela Adriana; Palacio, María Alejandra; Signorini Porchiett, Marcelo Lisandro; Giacobino, Agostina (Springer, 2021-01)
      A longitudinal study was carried out in order to evaluate Nosema spp. spore counts in two key moments of the year (late autumn and spring) in honeybee colonies from five eco-regions of Argentina. Three hundred and sixty ...

    • 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 ...

    • 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 ...

    • Potential associations between the mite Varroa destructor and other stressors in honeybee colonies (Apis mellifera L.) in temperate and subtropical climate from Argentina 

      Giacobino, Agostina; Pacini, Adriana Cecilia; Molineri, Ana Ines; Rodriguez, Graciela Adriana; Crisanti, Paola Andrea; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Pietronave, Hernan Pablo; Signorini, Marcelo (2018-09-14)
      The presence of Varroa destructor in colonies of Apis mellifera is explained by the interaction among a number of factors including beekeeping practices and surrounding environment features. The aim of this study was to ...

    • Prevalence of honey bee (Apis mellifera) viruses in temperate and subtropical regions from Argentina 

      Fondevila, Norberto Antonio; Pietronave, Hernan Pablo; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Ferrufino, Cecilia Gabriela; Zago, Luis Fernando Basili; Molineri, Ana Ines; Aignasse, Andrea Maria Elisa; Signorini, Marcelo; Giacobino, Agostina; Pacini, Adriana Cecilia (2017)
      In Argentina, bee virus studies are still incipient, and there are no studies regarding the climatic effect. The aim of this study was to assess and compare the presence of honeybee viruses in different climatic regions ...

    • Risk factors associated with failures of Varroa treatments in honey bee colonies without broodless period 

      Giacobino, Agostina; Molineri, Ana Inés; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Pacini, Adriana Cecilia; Salto, Cesar Eduardo; Signorini, Marcelo (2015-09)
      The treatment against Varroa destructor has become a basic tool in beekeeping practices, mainly during autumn. The treatment effectiveness should be improved by identifying variables affecting the final outcome. The aim ...

    • Risk factors associated with the presence of Varroa destructor in honey bee colonies from east-central Argentina 

      Giacobino, Agostina; Bulacio Cagnolo, Natalia Veronica; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Salto, Cesar Eduardo; Signorini, Marcelo (2014-08-01)
      Varroa destructor is considered one of the major threats for worldwide apiculture. Damage caused by varroa mite includes body weight loss, malformation and weakening of the bees. It was also suggested as the main cause ...

    • Risk factors for the presence of Deformed wing virus and Acute bee paralysis virus under temperate and subtropical climate in Argentinian bee colonies 

      Molineri, Ana Ines; Giacobino, Agostina; Pacini, Adriana Cecilia; Bulacio Cagnolo, Natalia Veronica; Fondevila, Norberto Antonio; Ferrufino, Cecilia Gabriela; Merke, Julieta; Orellano, Emanuel; Bertozzi, Ezequiel; Masciangelo, German Oscar; Pietronave, Hernan Pablo; Signorini, Marcelo (2017-05)
      Beekeepers all across the world are suffering important losses of their colonies, and the parasitic mites Varroa destructor and Nosema sp, as well as several bee viruses, are being pointed out as the possible causes of ...

    • Short communication: Varroa destructor re-invasion dynamics during autumn and winter in Apis mellifera colonies from a temperate climate 

      Giacobino, Agostina; Miotti, Camila; Molineri, Ana Ines; Orellano, Emanuel; Signorini Porchiett, Marcelo Lisandro; Pacini, Adriana Cecilia (Elsevier, 2023-03)
      Infestation with Varroa destructor compromises the survival of Apis mellifera colonies, especially during the winter season. In order to prevent colony losses due to the presence of Varroa mites, determination of the ...

    • Sistema de vigilancia epidemiológica de enfermedades que impactan negativamente en la producción apícola - 2018 

      Bertozzi, Ezequiel; Bulacio Cagnolo, Natalia Veronica; Cainelli, Luis Alberto; Cecotti, Ezequiel; Dukart, Juan; Fain, Hernan Carlos; Giacobino, Agostina; Gizzi, Ignacio; Merke, Julieta; Molineri, Ana Ines; Michut, Rodrigo; Orellano, Emanuel; Pacini, Adriana Cecilia; Pérez, Leonel; Pietronave, Hernan Pablo; Signorini Porchiett, Marcelo Lisandro (Estación Experimental Agropecuaria Rafaela, INTA, 2018)
      La vigilancia sanitaria es el conjunto de actividades que permite reunir información indispensable para conocer la conducta de las enfermedades y detectar cambios en su comportamiento. Los sistemas de vigilancia sanitaria ...

    • Sistema de vigilancia epidemiológica de enfermedades que impactan negativamente en la producción apícola - 2020 y 2021 

      Bertozzi, Ezequiel; Bulacio Cagnolo, Natalia Veronica; Cainelli, Luis Alberto; Cupido, Edgardo; Dukart, Juan; Fain, Hernan Carlos; Giacobino, Agostina; Merke, Julieta; Molineri, Ana Ines; Orellano, Emanuel; Pacini, Adriana Cecilia; Pérez, Leonel; Pietronave, Hernan Pablo; Signorini Porchiett, Marcelo Lisandro (Estación Experimental Agropecuaria Rafaela, INTA, 2021)
      La vigilancia sanitaria es el conjunto de actividades que permite reunir información indispensable para conocer la conducta de las enfermedades y detectar cambios en su comportamiento. Los sistemas de vigilancia sanitaria ...

    • Sistema de vigilancia epidemiológica de enfermedades que impactan negativamente en la producción apícola - 2022 

      Bertozzi, Ezequiel; Bulacio Cagnolo, Natalia Veronica; Cainelli, Luis Alberto; Cupido, Edgardo; Dukart, Albino; Fain, Hernan Carlos; Giacobino, Agostina; Merke, Julieta; Molineri, Ana Ines; Orellano, Emanuel; Pacini, Adriana Cecilia; Pérez, Leonel; Pietronave, Hernan Pablo; Signorini Porchiett, Marcelo Lisandro (Estación Experimental Agropecuaria Rafaela, INTA, 2022)
      La vigilancia sanitaria es el conjunto de actividades que permite reunir información indispensable para conocer la conducta de las enfermedades y detectar cambios en su comportamiento. Los sistemas de vigilancia sanitaria ...

    • Sistema de vigilancia epidemiológica de enfermedades que impactan negativamente en la producción apícola -2019 

      Bertozzi, Ezequiel; Bulacio Cagnolo, Natalia Veronica; Cainelli, Luis Alberto; Cupido, Edgardo; Dukart, Juan; Fain, Hernan Carlos; Giacobino, Agostina; Gizzi, Ignacio; Merke, Julieta; Micheloud, Carlos; Molineri, Ana Ines; Michut, Rodrigo; Orellano, Emanuel; Pacini, Adriana Cecilia; Pérez, Leonel; Pietronave, Hernan Pablo; Signorini Porchiett, Marcelo Lisandro (Estación Experimental Agropecuaria Rafaela, INTA, 2019)
      La vigilancia sanitaria es el conjunto de actividades que permite reunir información indispensable para conocer la conducta de las enfermedades y detectar cambios en su comportamiento. Los sistemas de vigilancia sanitaria ...

    • Sublethal exposure to imidacloprid in commercial Apis mellifera colonies in early spring: performance of honey bees and insecticide transference between in-hive products 

      Michlig, Melina Paola; Pacini, Adriana Cecilia; Merke, Julieta; Orellano, Emanuel; Brasca, Romina; Repetti, María Rosa (Springer, 2023-04)
      Honey bees have an important role in ecosystems as pollinators. However, in recent years, bee populations have declined, with habitat destruction, pesticide use, and climate change contributing to the decline. One of the ...

    • UV-Vis spectroscopy and chemometric: a simple method to differentiate honey, partially ripe honey and nectars 

      Maldonado, Luis Maria; Marcinkevicius, Karenina; Alvarez, Alejandro Raul; Salomon, Virginia María; Gaggiotti, Monica Del Carmen; Messina, Natalia; Palacio, María Alejandra; Medina, S.; Maldonado, Mario Miguel; Orellano, Emanuel; Bedascarrasbure, Enrique Luciano (Ediciones INTA, 2023-12)
      Honey is a supersaturated solution of sugars that also contains small amounts of enzymes, vitamins, phenolic compounds (e.g., flavonoids), terpenes, organic acids and hydrogen peroxide. The presence of such substances ...