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Experimental improvement of honey bee (Apis mellifera) queen quality through nutritional and hormonal supplementation

Experimental improvement of honey bee (Apis mellifera) queen quality through nutritional and... Queen reproductive potential (=quality) impacts the health and productivity of honey bee colonies. To determine the factors that affect reproductive quality during development, we tested queens produced under larval treatments by supplementing the diet with juvenile hormone (JH), additional sugars, or both, compared to untreated control. Furthermore, we varied the age of the larvae that were grafted (1 and 3 days old). We analyzed newly emerged virgin queens for their morphological characters as proxies for their reproductive potential. We found that the application of a sugar-enriched diet in combination with JH application onto 1st instar queen larvae produced higher-quality queens, while for 3rd instar larvae only the JH treatment resulted in increasing queen quality. For mated queens, those treated with JH plus supplemented sugars showed a significantly higher sperm count and sperm viability. Our findings demonstrate that honey bee queen reproductive potential can be increased through diet supplementation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Apidologie Springer Journals

Experimental improvement of honey bee (Apis mellifera) queen quality through nutritional and hormonal supplementation

Apidologie , Volume 50 (1) – Nov 13, 2018

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References (56)

Publisher
Springer Journals
Copyright
Copyright © 2018 by INRA, DIB and Springer-Verlag France SAS, part of Springer Nature
Subject
Life Sciences; Entomology; Life Sciences, general
ISSN
0044-8435
eISSN
1297-9678
DOI
10.1007/s13592-018-0614-y
Publisher site
See Article on Publisher Site

Abstract

Queen reproductive potential (=quality) impacts the health and productivity of honey bee colonies. To determine the factors that affect reproductive quality during development, we tested queens produced under larval treatments by supplementing the diet with juvenile hormone (JH), additional sugars, or both, compared to untreated control. Furthermore, we varied the age of the larvae that were grafted (1 and 3 days old). We analyzed newly emerged virgin queens for their morphological characters as proxies for their reproductive potential. We found that the application of a sugar-enriched diet in combination with JH application onto 1st instar queen larvae produced higher-quality queens, while for 3rd instar larvae only the JH treatment resulted in increasing queen quality. For mated queens, those treated with JH plus supplemented sugars showed a significantly higher sperm count and sperm viability. Our findings demonstrate that honey bee queen reproductive potential can be increased through diet supplementation.

Journal

ApidologieSpringer Journals

Published: Nov 13, 2018

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