from the pages:
http://www.xs4all.nl/~jtemp/dronemethod.html
The number of mites in a hive (during brood season) can be found by counting them on the bottom
sheet in one day and multiplying that by 50.
If there are no more than 10 mites a day, it is not likely that the mites do measurable harm.
Andy McIntosh wrote:
> 50 mite over 24 hours
regards, jant
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Met vriendelijke groet, Jan
Jan Tempelman
Annie Romein-Verschoorpad 2-4
NL 4103 VE Culemborg
tel.:0345-524433
mobile: 06 10719917
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