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Posted: Mon Jan 18, 2016 4:01 pm
by redwood
Nothing you can do to wipe out varroa completely but you need to control the levels before your colony collapses.
Why will it collapse ? because mite population grows to the extent where your bees are unable to control it so us beekeepers have to do something about it.
What do we do ? well basically kill as many mites as we can without killing our bees.

How do we do this? We use two products, (which have been proven as the best products) oxalic acid and ApiguardĀ®. At the moment you can still buy oxalic acid that is a derivative of rhubarb and Apiguard is a derivative of Thyme, so both products are from naturally grown plants.

Oxalic Acid comes in a crystal form, it can ether be mixed with sugar syrup and dribbles between seams or can be heated up until it reaches a gas and applied from underneath with a sublimation machine.

Apiguard comes in little tins which should be applied late summer only.

Sublimation is about the best method used with no ill affect on bees, brood or queens, it can be used at any time of year and with three five day intervals you will probably remove 95% of varroa mites.

Re: Varroa

Posted: Sat Nov 19, 2016 11:43 am
by redwood
Apparently you can now only buy oxalic acid crystals if you have a licence.
This is now causing some concern with beekeepers as now a relatively low cost treatment is going to become an expensive one as only the big bee medicine companies can afford the licence who then repackage the product and sell it on to beekeepers at an extortionate price.

Re: Varroa

Posted: Fri Jan 13, 2017 4:05 pm
by redwood
You only need a licence if you are a member of the general public, if you are not a member by default then you don't need a licence.