------ Original Message ------
From: "Pete B"
>>
>Well, it's apparent in many fields, but it's a nightmare with bee studies. At a bee lab I studied screened bottom boards. We measured brood area, weight gain, survival, etc. and could never see any difference between the screened bottoms and the normal bottoms.
The only measurement quoted that means anything is weight gain, or more
correctly honey taken off. It can be measured in a meaningful way.
Geoff Manning
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