Resistance traits – VSH, VSHD, Grooming and more

Sometimes, the term VSH is used as meaning the same thing as varroa resistance. I think it’s helpful to clarify what VSH is. It is…

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Keeping track of the infestation level

In the search for breeders for this season I tested a number of hives for the infestation level of Varroa mites in the beginning of…

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A passionate treatment free beekeeper 

Cory Stevens lives in southeast Missouri. There are some hives of hobbyists some miles from him. A larger beekeeper is 7-8 miles from him, but…

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The bee shaker and varroa resistance

 One mite from 300 bees. I understand that sometimes it’s a good idea to get an idea of the infestation level of varroa mites in…

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Changing plans

I make notes. I’m sure you do to. How much is a good question. I made more notes as a beginner and quite some years…

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Checking list for a VSH test

I have done some VSH-tests by now and maybe my experiences can inspire some of you. I have made a checklist that maybe can be…

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Varroa feces, larval and pupal skins

I found a good description of what happens in the brood cell here: http://www.ars.usda.gov/Research/docs.ht…44&page=14 There are good pictures of different stages in the development of the…

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Varroa defecation and pupa remains

I’m checking my, as I think, most promising colonies for the VSH trait. (http://www.elgon.es/diary/?p=146) After dragging out more than 1000 pupae I have learned a…

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Small cells and VSH

There have been numerous tests of varroa reproduction with bees on different cellsizes throughout the years, with the assumption that you then test varroa resistance….

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My selection parameters

I have prepared for and selected for varroaresistance for quite some years. Last year I learned how to test a colony for VSH, a simplified…

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