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​Varroa Sensitive Hygiene VSH QUEENS


​Varroa Sensitive Hygiene (VSH)

The natural way to control mites and brood diseases

"It's not often in life that an idea comes along that is so good that it can change the world. The development of VSH bees which can reduce Varroa mite populations without chemical treatments is just such an idea. The result of over a decade of research by some of today's brightest honeybee scientists, VSH is making a difference in the apiaries and lives of beekeepers all across America...has resulted in not only resistance to Varroa mites, but also to American Foulbrood and Chalkbrood. The hygienic behavior of VSH bees, even extends to defense against wax moths and small hive beetles."... read more at Glenn Apiaries

Varroa sensitive hygiene (VSH) is a behavioral trait of honey bees (Apis mellifera) in which bees detect and remove bee pupae that are infested by the parasitic mite Varroa destructor. V. destructor is considered to be the most dangerous pest problem for honey bees worldwide. VSH activity results in significant resistance to the mites

Development

Bees with the VSH trait were initially bred by the United States Department of Agriculture Honey Bee Breeding, Genetics and Physiology Laboratory in Baton Rouge, Louisiana from colonies in which mite populations grew only slowly.

The factor causing slow mite population growth was found to be heritable.

he rate of mite population growth was found to be correlated with the reproductive rates of mites, resulting in naming the factor "suppressed mite reproduction" (SMR). It was later discovered that the factor is founded on hygienic activity of adult bees, so SMR was renamed VSH. The behavior involves nest cleaning bees (aged 15-18 days old) recognizing infested brood. Mite-infested bee pupae are either eaten or pulled from their brood cells, which kills any immature varroa mites present. 

VSH activity results in (1) an abnormally low proportion of mites that produce offspring within the population that remains in capped brood and (2) reducing the brood infestation rate by greater than 70%. The specifics of how hygienic bees detect mite infested brood currently are unknown.

Cross-breeding

Bees bred to have high levels of VSH can keep mite populations below thresholds recommended for varroa treatment including miticides.  Queens from such VSH breeding sources can be allowed to mate freely with non-VSH drones, and the resulting hybrid colonies from these outcrosses will retain lower and variable but generally still useful resistance to V. destructor while retaining desirable beekeeping traits such as honey production.

VSH outcrossed to commercial Italian bees recently have been shown to perform well in migratory crop pollination.

VSH thus is a trait that can be used by breeders to mix with any type of desirable honey bee and is expanding resistance to V. destructor among diverse bee strains. In 2018 it was announced that VSH Buckfast bees would be made available for sale in 2019.  ... more  at 
From Wikipedia, the free encyclopedia

IF YOU ARE NOT BORED YET... and have more time, the following videos do have some useful information... not necessarily focused on the VSH, but some may say "worth watching".




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  • Meetings
    • Next Meeting
    • Agenda
    • Minutes
    • Apiary Report
    • Mentoring Report
    • In The News
    • Constitution ByLaws
    • LEADERSHIP >
      • OFFICE DUTIES COMMITTEES
    • Past Meetings
  • EDUCATION
    • Calendar Events
    • Environmental School
    • Frame Assembly
    • Frame Reading Bee Math
    • Frame Storage
    • Hive Beetles
    • Inner Cover Flexible
    • Bucket Pail Feeders
    • Wax Rendering
    • HONEY
    • Hurricane Preparedness
    • Mentoring
    • Queens >
      • VSH Queens
      • Miksa Queens
    • Queen Installation
    • Varroa Mites
    • Zoom Magnify Fun >
      • Varroa Mites
      • Dennis Collection
      • UF Pest Disease Collection
  • Contact
  • APIARY
    • Apiary Archives
    • Extractor Checkout
    • Apiary Inspector
    • Beekeeper Compliance Agreement
  • Hurricane IAN RELIEF
  • Projects
    • DNA WING VENATION
    • Bee License Plate
    • Local Associations
    • What's Blooming
  • Resources
    • Join Us
    • Members Only >
      • Bonnies Bees
      • Membership List
      • Handouts
      • Budget
      • Archived Minutes
      • Registered Beekeeper List
    • Pesticide Protection
    • LINKS >
      • FSBA
      • Resources for Beekeepers
      • Selling Honey
    • LIBRARY >
      • Library Home >
        • Beekeeping for Beginners
        • Beekeeping for Dummies
        • Complete Idiots Guide
        • Keeping Bees with a Smile
        • Keeping Honey Bees
        • World Without Bees TIME
    • Books >
      • Free Books
      • Other Books
    • Videos
    • BLOG HoneyBeeMan