From: "Brian Fredericksen" '  I've had poor luck with excluders.
> Many hives will not put honey up and try and swarm with an exlcuder
> on. I've done side by side comaprisons in several yards and came to
> the conclusion they are honey excluders.'

If this was universally true , excluders would have dropped out of use long
ago. Is the type of excluder the problem?  Slotted metal obviously blocks
ventilation to some extent ...so bees must have dificulty in evaporating the
nectar.  But surely framed wire excluders restrict air flow much less ...and
are acceptable to bees?

Robin Dartington

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