Why?
Easy fast application
Can be used in almost every hive type
When?
Nucs just before the capping of the first brood
After the last harvest in the year (outdoor temp above 12°C)
When the outdoor temperature is above 25°C application recommended in the late afternoon
On days where cool nights are expected treat in the morning
With what
Foam cloth about 20x20x0,5 cm
Cooled (in fridge) 60% folic acid ad us. Vet. (cooling slows the evaporation rate)
Dosing Instrument syringe or measurement beaker
How?
Generally
Place the foam cloth as close as possible to the bees (above/below)
3-4 treatments with 4-7 days between each one (6-7 if if the temperatures dropped making the treatment ineffective)
Treatment from above – place foam cloth directly on the frame tops use 2ml per Deutsch normal mass (394*223mm) / Zander (447*220mm) frame
Treatment from below – laxy cloth on the diagnosis board or under mesh. Single magazines 4ml per DNM/Zander frame, or 3ml for hives consisting of more than one magazine-
Warnimg:
Not recognised as medicine for amimals (in Germany)
The queen can be killed
My notes – wet the cloth and wring it well out – otherwise if it is too dry the acid will not be soaked up and can run off. Use a fine mesh or gauze so the bees cannot come into contact with the cloth. I do my first treatment from below and the rest from above (the first to get the bees used to it)
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