Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina

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 effectiveness of the antibiotic fumagillin to control N. ceranae in hives in East...

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Autores principales: Giacobino, Agostina, Rivero, Ana Inés, Molineri, Ana Ines, Bulacio Cagnolo, Natalia Veronica, Merke, Julieta, Orellano, Emanuel, Salto, Cesar Eduardo, Signorini, Marcelo
Formato: Artículo
Lenguaje:Inglés
Publicado: 2017
Materias:
Acceso en línea:http://hdl.handle.net/20.500.12123/907
http://www.izs.it/vet_italiana/2016/52_2/VetIt_120_337_6.pdf
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author Giacobino, Agostina
Rivero, Ana Inés
Molineri, Ana Ines
Bulacio Cagnolo, Natalia Veronica
Merke, Julieta
Orellano, Emanuel
Salto, Cesar Eduardo
Signorini, Marcelo
author_browse Bulacio Cagnolo, Natalia Veronica
Giacobino, Agostina
Merke, Julieta
Molineri, Ana Ines
Orellano, Emanuel
Rivero, Ana Inés
Salto, Cesar Eduardo
Signorini, Marcelo
author_facet Giacobino, Agostina
Rivero, Ana Inés
Molineri, Ana Ines
Bulacio Cagnolo, Natalia Veronica
Merke, Julieta
Orellano, Emanuel
Salto, Cesar Eduardo
Signorini, Marcelo
author_sort Giacobino, Agostina
collection INTA Digital
description 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 effectiveness of the antibiotic fumagillin to control N. ceranae in hives in East‑Central Argentina. Honey bee hives were assigned to 3 experimental treatments, a control group with un‑treated hives, a preventive strategy group with hives treated monthly, and a monitoring strategy group with hives treated according to a N. ceranae threshold level. Apiaries were monitored monthly during Fall‑Winter 2009 and 2010 and N. ceranae spore intensity and honey bee colony strength measures were estimated. Fumagillin‑treated colonies had reduced N. ceranae spores load in 2010 compared to control colonies. However, there was no significant difference between treated and control groups for colony strength measures including adult bee population, bee brood availability, honey, or pollen. Fumagillin treatment reduced N. ceranae intensities but had little effect on colonies. The bee population during Winter was reduced in treated as well as in control colonies. Our results clarify that fumagillin treatment should be at least reviewed and that further research should be conducted to acquire a more complete perspective of Nosemosis disease.
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spelling INTA9072018-02-22T13:45:01Z 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 Nosema Abeja Melífera Infecciones por Protozoos Honey Bees Protozoal Infections Nosema ceranae Argentina 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 effectiveness of the antibiotic fumagillin to control N. ceranae in hives in East‑Central Argentina. Honey bee hives were assigned to 3 experimental treatments, a control group with un‑treated hives, a preventive strategy group with hives treated monthly, and a monitoring strategy group with hives treated according to a N. ceranae threshold level. Apiaries were monitored monthly during Fall‑Winter 2009 and 2010 and N. ceranae spore intensity and honey bee colony strength measures were estimated. Fumagillin‑treated colonies had reduced N. ceranae spores load in 2010 compared to control colonies. However, there was no significant difference between treated and control groups for colony strength measures including adult bee population, bee brood availability, honey, or pollen. Fumagillin treatment reduced N. ceranae intensities but had little effect on colonies. The bee population during Winter was reduced in treated as well as in control colonies. Our results clarify that fumagillin treatment should be at least reviewed and that further research should be conducted to acquire a more complete perspective of Nosemosis disease. Le informazioni sulle conseguenze dell'infezione da Nosema ceranae sulla durata di vita delle api da miele e sull'efficacia della fumagillina sono scarse e non sempre coerenti. Lo studio ha avuto l'obiettivo di valutare l'efficacia dell'antibiotico nel controllo della micosi in alveari delle aree orientali e centrali dell'Argentina. Gli alveari sono stati suddivisi in 3 gruppi sperimentali: un gruppo di controllo costituito da alveari non trattati, un gruppo con alveari trattati mensilmente secondo una strategia preventiva e un gruppo di monitoraggio con alveari trattati secondo il proprio livello di infezione. Gli apiari sono stati monitorati mensilmente durante la stagione autunnale e invernale 2009-2010. In questo periodo sono stati misurati il numero di spore prodotte da N. ceranae e la resistenza delle colonie di api da miele. Confrontate con il gruppo di controllo, le colonie trattate con fumagillina nel 2010 hanno mostrato una riduzione della presenza di spore di N. ceranae. Non sono state tuttavia rilevate differenze significative tra le colonie trattate con fumagillina e i gruppi di controllo per quanto concerne: resistenza delle colonie, popolazione adulta, disponibilità delle larve, produzione di miele e raccolta di polline. Si è osservato che il trattamento con l'antibiotico pur riducendo la presenza di N. ceranae ha avuto un effetto ridotto sulle colonie. La popolazione delle api è diminuita durante l'inverno nel gruppo di controllo e in quello trattato con fumagillina. I risultati ottenuti mostrano che i trattamenti a base di fumagillina dovrebbero essere rivisti e che ulteriori studi consentirebbero di acquisire una conoscenza più approfondita sulla nosemiasi. EEA Rafaela Fil: Giacobino, Agostina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Rivero, Ana Inés. Instituto Nacional de Parasitología; Argentina Fil: Molineri, Ana Ines. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bulacio Cagnolo, Natalia Veronica. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina Fil: Merke, Julieta. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina Fil: Orellano, Emanuel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina Fil: Salto, Cesar Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina Fil: Signorini, Marcelo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2017-08-07T12:21:01Z 2017-08-07T12:21:01Z 2016 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/907 http://www.izs.it/vet_italiana/2016/52_2/VetIt_120_337_6.pdf 1828-1427 doi: 10.12834/VetIt.120.337.6 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Argentina (nation) Veterinaria Italiana 52 (2) : 145-151
spellingShingle Nosema
Abeja Melífera
Infecciones por Protozoos
Honey Bees
Protozoal Infections
Nosema ceranae
Argentina
Giacobino, Agostina
Rivero, Ana Inés
Molineri, Ana Ines
Bulacio Cagnolo, Natalia Veronica
Merke, Julieta
Orellano, Emanuel
Salto, Cesar Eduardo
Signorini, Marcelo
Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
title Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
title_full Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
title_fullStr Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
title_full_unstemmed Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
title_short Fumagillin control of Nosema ceranae (Microsporidia:Nosematidae) infection in honey bee (Hymenoptera:Apidae) colonies in Argentina
title_sort fumagillin control of nosema ceranae microsporidia nosematidae infection in honey bee hymenoptera apidae colonies in argentina
topic Nosema
Abeja Melífera
Infecciones por Protozoos
Honey Bees
Protozoal Infections
Nosema ceranae
Argentina
url http://hdl.handle.net/20.500.12123/907
http://www.izs.it/vet_italiana/2016/52_2/VetIt_120_337_6.pdf
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