Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)

American foulbrood (AFB) and European foulbrood (EFB) are the two most important bacterial diseases that affect honey bee brood. The aim of this study was to evaluate the effects of an integrated treatment of AFB and EFB in naturally infected colonies in spring, using the beekeeping technique partia...

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Main Authors: Michela Mosca, Jernej Bubnic, Luigi Giannetti, Luca Fortugno, Marco Pietropaoli, Veronica Manara, Elisabetta Bonerba, Giovanni Formato
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Agriculture
Subjects:
Online Access:https://www.mdpi.com/2077-0472/13/2/363
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author Michela Mosca
Jernej Bubnic
Luigi Giannetti
Luca Fortugno
Marco Pietropaoli
Veronica Manara
Elisabetta Bonerba
Giovanni Formato
author_facet Michela Mosca
Jernej Bubnic
Luigi Giannetti
Luca Fortugno
Marco Pietropaoli
Veronica Manara
Elisabetta Bonerba
Giovanni Formato
author_sort Michela Mosca
collection DOAJ
description American foulbrood (AFB) and European foulbrood (EFB) are the two most important bacterial diseases that affect honey bee brood. The aim of this study was to evaluate the effects of an integrated treatment of AFB and EFB in naturally infected colonies in spring, using the beekeeping technique partial shook swarm combined with oxytetracycline treatment. The following parameters were assessed: strength of the colonies, consumption of antibiotic solution, queen losses, honey production and relapses. An increase in strength was observed in both (AFB and EFB) groups. Mean syrup consumption in the AFB colonies was 444.2 mL, while in the EFB colonies it was 497.3 mL. Linear correlation between the strength of the colonies and consumption (<i>p</i>-values < 0.0001; R² = 0.448) was observed. Three queens out of thirty (10%) were lost during the shook swarm procedure: one in the AFB group (5.3%) and two in the EFB group (18.2%). The results highlighted four clinical relapses (22.2%) of AFB, and no relapse (0%) of EFB after two years of observation. Six colonies (four in the AFB group and two in the EFB group) produced honey in the same beekeeping season that the shook swarm and antibiotic treatment were performed. Partial shook swarm is a good alternative to colony destruction, especially for EFB, and provides productive colonies during the foraging season.
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spelling doaj.art-bd3b4847fc3c480a888c66d649f94e5d2023-11-16T18:30:04ZengMDPI AGAgriculture2077-04722023-02-0113236310.3390/agriculture13020363Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)Michela Mosca0Jernej Bubnic1Luigi Giannetti2Luca Fortugno3Marco Pietropaoli4Veronica Manara5Elisabetta Bonerba6Giovanni Formato7Istituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, via Appia Nuova 1411, 00178 Rome, ItalyAgricultural Institute of Slovenia, Hacquetova ulica 17, 1000 Ljubljana, SloveniaIstituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, via Appia Nuova 1411, 00178 Rome, ItalyServizi Veterinari ASL di Viterbo, via D. Alighieri 100, 01027 Montefiascone, ItalyIstituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, via Appia Nuova 1411, 00178 Rome, ItalyIstituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, via Appia Nuova 1411, 00178 Rome, ItalyDepartment of Veterinary Medicine, Food Safety Unit, University of Bari, Str. Prov. Casamassima Km 3, 70010 Valenzano, ItalyIstituto Zooprofilattico Sperimentale del Lazio e della Toscana “M. Aleandri”, via Appia Nuova 1411, 00178 Rome, ItalyAmerican foulbrood (AFB) and European foulbrood (EFB) are the two most important bacterial diseases that affect honey bee brood. The aim of this study was to evaluate the effects of an integrated treatment of AFB and EFB in naturally infected colonies in spring, using the beekeeping technique partial shook swarm combined with oxytetracycline treatment. The following parameters were assessed: strength of the colonies, consumption of antibiotic solution, queen losses, honey production and relapses. An increase in strength was observed in both (AFB and EFB) groups. Mean syrup consumption in the AFB colonies was 444.2 mL, while in the EFB colonies it was 497.3 mL. Linear correlation between the strength of the colonies and consumption (<i>p</i>-values < 0.0001; R² = 0.448) was observed. Three queens out of thirty (10%) were lost during the shook swarm procedure: one in the AFB group (5.3%) and two in the EFB group (18.2%). The results highlighted four clinical relapses (22.2%) of AFB, and no relapse (0%) of EFB after two years of observation. Six colonies (four in the AFB group and two in the EFB group) produced honey in the same beekeeping season that the shook swarm and antibiotic treatment were performed. Partial shook swarm is a good alternative to colony destruction, especially for EFB, and provides productive colonies during the foraging season.https://www.mdpi.com/2077-0472/13/2/363AFB<i>Apis mellifera</i>EFBIPMoxytetracyclineshook swarm
spellingShingle Michela Mosca
Jernej Bubnic
Luigi Giannetti
Luca Fortugno
Marco Pietropaoli
Veronica Manara
Elisabetta Bonerba
Giovanni Formato
Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)
Agriculture
AFB
<i>Apis mellifera</i>
EFB
IPM
oxytetracycline
shook swarm
title Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)
title_full Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)
title_fullStr Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)
title_full_unstemmed Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)
title_short Adoption of Partial Shook Swarm in the Integrated Control of American and European Foulbrood of Honey Bee (<i>Apis mellifera</i> L.)
title_sort adoption of partial shook swarm in the integrated control of american and european foulbrood of honey bee i apis mellifera i l
topic AFB
<i>Apis mellifera</i>
EFB
IPM
oxytetracycline
shook swarm
url https://www.mdpi.com/2077-0472/13/2/363
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