On 17-Mar-14, at 9:05 AM, Bill T wrote:

>
> Tracheal could still be a problem but many of the treatments for  
> Varroa
> also work to control Tracheal.
>

Hi Bill and All

I started to respond to Bob's comment about few treating for TM.   
Formic acid treatments work against TM as well as varroa, but what  
other varroa treatments work on TM?  Several members of our local  
association believe that Apivar(amitraz) is effective but I don't  
believe so.  BIP survey shows only 11% of respondents using formic in  
2011/12, so It appears that Bob H is correct!

Bob Darrell
Caledon Ontario
Canada
44N80W


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