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Tytuł:
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Decreased Mite Reproduction to Select Varroa destructor (Acari: Varroidae) Resistant Honey Bees (Hymenoptera: Apidae): Limitations and Potential Methodological Improvements.
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Autorzy:
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von Virag A; Agroscope, Swiss Bee Research Centre, Bern, Switzerland.
Guichard M; Agroscope, Swiss Bee Research Centre, Bern, Switzerland.; Agroscope, Animal GenoPhenomics, Posieux, Switzerland.
Neuditschko M; Agroscope, Animal GenoPhenomics, Posieux, Switzerland.
Dietemann V; Agroscope, Swiss Bee Research Centre, Bern, Switzerland.; Department of Ecology and Evolution, Biophore, UNIL-Sorge, University of Lausanne, Lausanne, Switzerland.
Dainat B; Agroscope, Swiss Bee Research Centre, Bern, Switzerland.
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Źródło:
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Journal of economic entomology [J Econ Entomol] 2022 Jun 08; Vol. 115 (3), pp. 695-705.
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Typ publikacji:
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Journal Article; Research Support, Non-U.S. Gov't
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Język:
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English
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Imprint Name(s):
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Publication: 2015- : Oxford : Oxford University Press
Original Publication: College Park Md : Entomological Society of America
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MeSH Terms:
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Hymenoptera*
Varroidae*
Animals ; Bees ; Plant Breeding ; Reproducibility of Results ; Reproduction
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References:
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Grant Information:
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627000708 Bundesamt für Landwirtschaft BLW
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Contributed Indexing:
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Keywords: honey bee; resistance; selection; suppressed mite reproduction; varroa mite
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Entry Date(s):
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Date Created: 20220405 Date Completed: 20220609 Latest Revision: 20220716
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Update Code:
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20240105
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PubMed Central ID:
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PMC9175287
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DOI:
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10.1093/jee/toac022
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PMID:
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35380682
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The invasive parasitic mite, Varroa destructor (Anderson and Trueman), is the major biotic threat to the survival of European honey bees, Apis mellifera L. To improve colony survival against V. destructor, the selection of resistant lineages against this parasite is considered a sustainable solution. Among selected traits, mite fertility and fecundity, often referred to as suppressed mite reproduction are increasingly used in breeding programmes. However, the current literature leaves some gaps in the assessment of the effectiveness of selecting these traits toward achieving resistance. In the population studied here, we show a low repeatability and reproducibility of mite fertility and fecundity phenotypes, as well as a low correlation of these traits with infestation rates of colonies. Phenotyping reliability could neither be improved by increasing the number of worker brood cells screened, nor by screening drone brood, which is highly attractive for the parasite and available early in the season, theoretically allowing a reduction of generation time and thus an acceleration of genetic progress in selected lineages. Our results provide an evaluation of the potential and limitations of selecting on decreased mite reproduction traits to obtain V. destructor-resistant honeybee colonies. To allow for a more precise implementation of such selection and output reporting, we propose a refined nomenclature by introducing the terms of decreased mite reproduction and reduced mite reproduction, depending on the extent of mite reproduction targeted. We also highlight the importance of ensuring accurate phenotyping ahead of initiating long-lasting selection programmes.
(© The Author(s) 2022. Published by Oxford University Press on behalf of Entomological Society of America.)