Herve,

Did anyone observe a disruption or delay in the bees' spring build-up?  And, if yes, did the spring brood rearing resume normally at a later time?  I recognize OA effectively kills varroa but does it negatively affect the bees' start to raise brood in the spring?

Thanks,

Waldemar
Long Island, NY

>At the last Qc beekeepers annual meeting, I heard at least one
>important beekeeper reporting similar observation. [...]
>From what I understand, low pH of OA solution would be
>the main factor of varroacide action.

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