Chalk brood and thyme
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  1. #1
    Join Date
    Mar 2018
    Location
    Australia
    Posts
    35

    Default Chalk brood and thyme

    We have odd weather this year and chalkbrood is hitting hard right now. I have heard that products containing thymol can reduce chalk brood. If I put some sprigs of thyme in the top of my hive will the bees spread thymol through the hive while they remove it and reduce chalkbrood?

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  3. #2
    Join Date
    Dec 2006
    Location
    St. Albans, Vermont
    Posts
    8,129

    Default Re: Chalk brood and thyme

    Any queen breeders in AU selecting for hygienic bees? Requeen with them. Chalk will be gone.

  4. #3
    Join Date
    Aug 2002
    Location
    Nehawka, Nebraska USA
    Posts
    53,913

    Default Re: Chalk brood and thyme

    It takes a lot of concentrated thymol to show serious antimicrobial effects. It's doubtful that sprigs of thyme will produce the kind of concentration necessary to kill the chalkbrood. I would requeen and try to avoid chilled brood.
    Michael Bush bushfarms.com/bees.htm "Everything works if you let it." ThePracticalBeekeeper.com 42y 40h 39yTF

  5. #4
    Join Date
    Oct 2008
    Location
    Turnbow Hollow, Tennessee
    Posts
    456

    Default Re: Chalk brood and thyme

    Pro DFM or Super DFM is pretty good with treating chalkbrood. It is not a magic silver bullet but it does help.

    https://www.mannlakeltd.com/pro-dfm-3-5-oz-100-g

    https://www.strongmicrobials.com/honeybee

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