Evaluation of colony losses in Israel in relation to the incidence of pathogens and pests

Victoria Soroker; Amots Hetzroni; Boris Yakobson; Dan David; Alina David; Hilary Voet; Yossi Slabezki; Haim Efrat; Shlomit Levski; Yossi Kamer; Etta Klinberg; Naama Zioni; Shani Inbar; Nor Chejanovsky

doi:10.1051/apido/2010047

Evaluation of colony losses in Israel in relation to the incidence of pathogens and pests

Victoria Soroker^*, Amots Hetzroni, Boris Yakobson, Dan David, Alina David, Hilary Voet, Yossi Slabezki, Haim Efrat, Shlomit Levski, Yossi Kamer, Etta Klinberg, Naama Zioni, Shani Inbar, Nor Chejanovsky

^*Corresponding author for this work

Department of Environmental Economics and Management

Research output: Contribution to journal › Article › peer-review

60 Scopus citations

Abstract

To evaluate symptoms, extent, and possible causes of colony decline and losses in Israel, we carried out (1) a survey of honeybee colony losses and potential causes via mail and phone; (2) systematic sampling of healthy and problematic beehives after requeening in the winter; (3) detection of Varroa and pathogens including, viruses and Nosema ceranae, by microbiological means and sensitive RT-PCR. From 58 beekeepers (46 000 colonies) interviewed, 40% complained of extensive colony loses during 2008. Examination and sampling for pests and pathogens of 113 hives in the winter of 2009 showed 35% of hives with Nosema and 21% with V. destructor. The most frequent viruses detected were Black Queen Cell Virus, Israeli Acute Paralysis Virus, and Deformed Wing Virus. A significant negative correlation was found between worker population in the hive and the presence of viral and Nosema infections.

Original language	English
Pages (from-to)	192-199
Number of pages	8
Journal	Apidologie
Volume	42
Issue number	2
DOIs	https://doi.org/10.1051/apido/2010047
State	Published - Mar 2011

Keywords

Apis mellifera
Bee viruses
Nosema
Varroa

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abstract = "To evaluate symptoms, extent, and possible causes of colony decline and losses in Israel, we carried out (1) a survey of honeybee colony losses and potential causes via mail and phone; (2) systematic sampling of healthy and problematic beehives after requeening in the winter; (3) detection of Varroa and pathogens including, viruses and Nosema ceranae, by microbiological means and sensitive RT-PCR. From 58 beekeepers (46 000 colonies) interviewed, 40% complained of extensive colony loses during 2008. Examination and sampling for pests and pathogens of 113 hives in the winter of 2009 showed 35% of hives with Nosema and 21% with V. destructor. The most frequent viruses detected were Black Queen Cell Virus, Israeli Acute Paralysis Virus, and Deformed Wing Virus. A significant negative correlation was found between worker population in the hive and the presence of viral and Nosema infections.",

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AU - David, Alina

AU - Voet, Hilary

AU - Slabezki, Yossi

AU - Efrat, Haim

AU - Levski, Shlomit

AU - Kamer, Yossi

AU - Klinberg, Etta

AU - Zioni, Naama

AU - Inbar, Shani

AU - Chejanovsky, Nor

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AB - To evaluate symptoms, extent, and possible causes of colony decline and losses in Israel, we carried out (1) a survey of honeybee colony losses and potential causes via mail and phone; (2) systematic sampling of healthy and problematic beehives after requeening in the winter; (3) detection of Varroa and pathogens including, viruses and Nosema ceranae, by microbiological means and sensitive RT-PCR. From 58 beekeepers (46 000 colonies) interviewed, 40% complained of extensive colony loses during 2008. Examination and sampling for pests and pathogens of 113 hives in the winter of 2009 showed 35% of hives with Nosema and 21% with V. destructor. The most frequent viruses detected were Black Queen Cell Virus, Israeli Acute Paralysis Virus, and Deformed Wing Virus. A significant negative correlation was found between worker population in the hive and the presence of viral and Nosema infections.

KW - Apis mellifera

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Evaluation of colony losses in Israel in relation to the incidence of pathogens and pests

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Keywords

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