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Thymol

thymolbehandlung_20170128

In the 1990s, the Bee Research Centre took part in a screening programme testing the potential effectiveness of over 100 essential oils and essential oil components against the varroa mite. Although sage, hyssop and thyme oils proved interesting, only thymol has been used in acaricide products. Thymol treatments require little effort, and there are a variety of preparations on the market. The advantages and drawbacks of thymol use are listed in the articles "Apilife VAR: A new varroacide with thymol as the main ingredient" and "THYMOVAR for Varroa control".

Use of essential oils for the control of Varroa jacobsoni (Oud.) in honey bee colonies (PDF, 1 MB, 20.01.2017)
A. Imdorf, S. Bogdanov, R. Ibáñez Ochoa, N. W. Calderone (1999)

Publikationen Jan-Erik Ingenhoff

Ingenhoff J.-E.
Mineralölrückstände in Milchprodukten.
Agroscope Transfer, 505, 2023, 1-7.
weitere Sprachen: französisch | englisch

Ingenhoff J.-E., Haldemann J., Berger T.
Stellungnahme zu Bismutrückständen in Milch und Milchprodukten verursacht durch intramammäre Zitzenversiegler.
Hrsg. Agroscope, Merkblatt Nr. 193, 2023, 3 S.
weitere Sprachen: französisch

Berger T., Mühlemann M., Ackermann-Gäumann R., Moor D., Ingenhoff J.-E.
Risk assessment of alimentary transmission of tick-borne encephalitis viruses from goats to humans by means of milk and milk products in Swiss alpine regions.
In: Swiss Society for Microbiology SSM. 31. August, Hrsg. CHUV - SSM, Lausanne. 2023.

Ingenhoff J.-E., Mühlemann M., Berger T.
FSME-Infektion nach Konsum von Schaf- und Ziegenrohmilchprodukten: eine Risikobewertung.
In: Cheese & Science. 1. Juni, Hrsg. Agroscope, Liebefeld. 2023.
weitere Sprachen: französisch

Ingenhoff J.-E., Berger T., Mühlemann M., Fehér N.
Phtalates dans l'industrie laitière : Éviter les plastifiants problématiques dans le lait et les produits laitiers.
In: Journée des conseillers en fromagerie romands et tessinois. 27 août, Cresciano. 2021, 1-17.

Ingenhoff J.-E., Mühlemann M., Ackermann-Gäumann R., Moor D., Berger T.
Risk assessment of alimentary transmission of tick-borne encephalitis viruses from goats to humans by means of milk and milk products in alpine regions of Switzerland.
In: IDF International Cheese Science and Technology Symposium, June 7, 9 and 11, 2021. 07.06., Hrsg. IDF, IDF, virtual (Quebec). 2021.

Ingenhoff J.-E., Berger T., Mühlemann M.
Phthalate in der Milchwirtschaft: Problematische Weichmacher in Milch und Milchprodukten vermeiden.
Hrsg. Agroscope, Bern. Merkblatt Nr. 115, 2020, 4 S.
weitere Sprachen: französisch

Ingenhoff J.-E., Mühlemann M., Ackermann-Gäumann R., Moor D., Berger T.
Risk assessment of the alimentary transmission of tick-borne encephalitis viruses from goats to humans by milk and milk products in Swiss alpine regions.
Archiv für Lebensmittelhygiene, 71, (5), 2020, 110-114.

Apilife VAR: A new varroacide with thymol as the main ingredient (PDF, 103 kB, 20.01.2017)
A. Imdorf, S. Bogdanov, V. Kilchenmann, C. Maquelin (1994)

"THYMOVAR" for Varroa control (PDF, 75 kB, 27.01.2017)
F. Bollhalder (1998)


Although the use of thymol leads to residues in the wax and honey, these are negligible from a toxicological viewpoint. Since about 2008 the use of thymol-based products has been declining in Switzerland, and beekeepers making use of these products have tended to experience greater winter losses than those using e.g. formic acid.

Thymol residues in wax and honey after Apilife VAR treatment (PDF, 757 kB, 14.09.2016)
S. Bogdanov, A. Imdorf, V. Kilchenmann (1998) 

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