--- On Mon, 10/12/09, Jerry Wallace <[log in to unmask]> wrote:

Joe,
You indicate brood viability is now around 98% since 2007.  I'm interested in what you did with your feral stock to improve the brood viability, if anything?  I would expect hygienic stock to continue showing some spotty brood patterns unless they were vastly reducing the varroa load through other mechanisms. 
.
Another consideration to this situation would be the case of conincidal hygenic grooming working in conjunction with screened bottom boards as another mechanism to reduce the mite load.

Mike in LA



      

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