Oxalic Acid Extended Release Varroa Mite Treatment - Randy Oliver
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- Managing Varroa Mite levels in Honey Bee Colonies. We currently do not have adequate tools to effectively control Varroa Mite in Honey Bee Colonies during those times when honey supers are on and our Bees are collecting Honey. The Extended Release Oxalic Acid treatment designed by Randy Oliver is a promising method that could control Varroa Mite levels with Honey Supers on. More work needs to be done, Contact your Local Beekeeping Organizations, Farm Organizations and get them involved.
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Swedish Sponges - innisfilcreekh...
Oxalic Acid - innisfilcreekh...
Vegetable Glycerin - innisfilcreekh...
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Instructions from Randy Oliver - scientificbeek...
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Excellent info video, thank you! A tip I heard through the grapevine to speed up the process for mixing…preheat your glycerin to about 130-140 F then mix in the OA. It will cut your prep time in half.
Interesting, but also sounds like a recipe for resistant mites
Seems like any treatments that stay in the hive over time, eventually lose their effectiveness. Are we setting ourselves up for the mites to build resistance against OA, by using OA as an extended release? OA seems to be the only effective tool we have left. The magnificent thing about it is, it doesn’t stay in the hive long. With extended release OA, are we setting up an environment for the mites to build resistance? Just a concern I have with all the extended release OA talk.
There is no one single treatment I would use. Extended release oxalic acid would be used in conjunction with a full pest management protocol. It would be just one tool to use to mitigate varroa mite. The most important tool a beekeeping can use to control varroa mite is an alcohol wash because that enables you to monitor their levels. So you know if your treatment protocol is working.
Have you tried to refresh the pads with a bit of water?
Not sure if that is necessary? Randy Oliver does not mention doing that. Doing extra, untested things to treatments is not always the best thing to do.
@@MinnesotaBeekeeper we refresh with OADe from a caulking tube . . .
Don't worry mites will not become immune from being killed by oxalic acid on the strips. I used strips and oxalic acid fumes and found the strips are much more effective at killing mites.
I feel what are the powers that be hanging about for? Oxalic acid is chucked into the hives by all means and gives the bees and mites a shower of oxalic acid.
It seems the oxalic acid strips by the fact that the chemicals stay in the hive until the bees remove them for months that may be the reason they kill mites to the extent our three hives have zero mites.
Excellent research by Randy Oliver = the ultimate biological protector of bees. Let's not forget the cleaver folks in their research in Argentina also. The strips are the sure killer of mites irrespective of what some bee specialists in Georgia have found?
Are they doing something adverse that Randy is not doing?
I really appreciate how made this so simple. You are an excellent teacher....you cover all the details and make everything understandable. Thank you so much!
I saw a presentation at NAHBE given by Greg Rogers. He documented improved efficacy in using 1/4 pads in each quadrant when compared to 1/2 pads.
I did not get to go I am a care giver but I did hear it worked for greg can you tell me everything he did Thanks
I will have to look into that. Thanks
I did not get to go can u tell me what Greg did Thanks
Are these Swedish sponges gnawed by bees so they are effective?
Good presentation. Chris Werner puts pads on his colonies just as you demonstrate. He puts them on his colonies as soon as they arrive in Michigan from Florida. He leaves them on until they move them back to Florida in October. There was no mention of whether or not it was "approved". 😉
When did Chris move to Michigan
Hi I live in nz we use dry wall shim for oxalic treatment check it out ,At hive word nz beekeeping
Going to check this out can you tell me more thanks
Thanks for the video, Hello from Kajun Homestead New sub
Thanks for the sub!
You ate such a great teacher. Thank you😊
10/10 ... !!
Hi here is a video too see it will tell you more about oxalic treatment .Ep48 making and using oxalic acid strips ,kiwi wildman nz (once known as a kiwi beeman) let me no you got it
Question: Why not have the pad at the entrance so all bees have to walk over it to get in the hive, afterall thats where the varroa get into the hive. I imagine a short ox tunnel as it were. Your thoughts please.
Treatment needed night and day inside hive is better
My hats off to you fella, well done!!!!!
With treatment do you still need to add the gas?
Yes he said this will just sort of stabilize the mite load after a vapor treatment. He said it makes the mites less fertile and they aren’t able to get a grip on the hive through Summer
شكرا لك
Alan Cap is developed in argentina
A new product is coming on the market shortly that will be legal in many states. Varroxsan Oxalic Acid Strips.
89.99 for 60 strips
😮
Looked at Varroxsan. Application is 4 strips draped over frames in each brood chamber. Application will be a bit of a pain We will have to see if it comes to Canada and what the price will be when it gets here.
@@Innisfilcreekhoney $89.99 here in the US 60 strips in a package.
That's $6 USD per brood box.
Not to use with honey supers, but what would be a good mixture ratio using taktic/amatraz on those pads say with canola or coconut oil. That's not legal either due to corporate greed. But it sure would be interesting to know and see how much we're paying extra for the same thing.
In the Uk there are restrictions about which treatments you can have on with honey supers. I use Apivar in August for 10 weeks and follow that with an oxalic acid sublimation (Apibioxal) over Christmas when there is no brood. If there is brood, then it's possible to sublimate 3 times every 5 days. This should cover any brood being present.
Great video very useful information thanks
It is also forbidden in Denmark…..
I might secretly wish to be a Canadian, because you’re one of the few youtube beekeepers I feel comfortable watching. About 50% of them seem pretentious, then about 30% more seem very blue collar to the point where I can’t fully identify.
Thank you for the recipe!
The irony of your pretentious comment…
I've heard that pouring a bit of water on the strip towels can refresh the effect. Has anyone tried that? I know it depends on the material. Apparently the PIG ones take to the refresh.
see that is the problem with non regulated treatments. There are a lot of things people do that are not tested.
I can't imagine how that particular method would be a problem. It came up in a discussion with Bob Binnie.
Might dilute the Oxalic? Might entice the bees to drink it for the moisture? Might reduce the long term effectiveness? Might do almost anything. That is why research is important. Always better to fallow the experts instructions and advice.
No water will build up a film preventing the Bees from coming into contact with the OA . . .
@@danielweston9188Why wouldn't the towels suck up the water? Not what some of our friends have reported. The dry (Pig) towels suck the water up. Just asking if anyone here has tried it.
I have a layens horizontal hive. Would I just hang the two pieces from to of frame going down and where the brood is? Capped, uncapped?
in New Zealand they impregnate cardboard strips and hang them over the frames Vertically . Search for New Zealand oxalic acid treatment on TH-cam and you should find a video of how they do it. I'm not sure if the Swedish towels may be too thick to hang vertically as the bees need to walk on the surface to be able to spread the oxalic acid around. Seeing that I would never actually use it because it's illegal in Ontario, Canada. It would be hard for me to give exact treatment or advice.
Won't acid eat through a cellulose sponge at that concentration? Or stick together at that concentration after sitting for some time?
Short answer is no. Works fine. Oxalic is not a very aggressive acid
What time is the best to use acrylic acid before harvesting honey or after
Legally in Canada it can only be used after honey is pulled.
Wink Wink
👌🏻👍🏻good job
On it thanks 😊
Wouldn't it be easier to heat the glycerin first and slowly add and mix the OA, like we would do when mixing sugar?
The reason Randy Oliver does this is to prevent the "splashing" that would happen by adding a solid to a hot liquid.... so not only hot fluid splashing, but also an acid. Doing it the way that Randy Oliver suggests is very easy.
You could. I was just following Randy Oliver's method. Really does not take much time regardless.
How many days to change the sponge?1week?
Treatment lasts 2 months.
I watched the video unfortunately without sound therefore I have questions.
1. what dose of acid to take per hive?
2. what is the ratio of the volume of the solution to the volume of the towels? Volume of solution = volume of towels?
The latter question derives from the fact that if the towels did not absorb all the solution then proportionally there would be less oxalic acid on each towel.
You will have to watch it with sound
@@Innisfilcreekhoney I have already advised myself. I made oxalic acid with glycerine (50%-50%) with cellulose-cotton kitchen cloths. I dosed so that there was 60g of acid per hive in strong colonies. The varroa parasite falls on the den systematically. I also doused other colonies with 3% oxalic acid syrup and Egyptian remedy. Most fell after pouring the oxalic acid. Nothing fell off after pouring the Egyptian remedy.
@@Innisfilcreekhoney How long should I keep these towels in the hive?
Does this kill off hive beetles also?
No
I am in the South Carolina. Our hives frequently never go completely broodless in the winter. We have frequent days in the 50s and 60s with intermittent freezing weather. Would it be appropriate to use this method in Jan/ Feb/march. Brood nest is usually split between the 2 boxes. Thanks for a precise presentation.
Randy Oliver's research. He suggests that it be used during honey flow when the bees are actively moving up and down through the hive. The bees need to be traveling up and down through the boxes that they step on the pads and disperse the acid around. If they're in cluster, they're not going to do that, so I would assume from what I've read that that might not be an appropriate treatment at that time. There are other things available for use when the bees are in cluster.
Argentina, induction plate pot MUST be steel, not aluminum)
Bob Binnie just stated in his last video that he placed these in his hives in May and just pulled them out recently. Give his last video a watch. I am also in SC and will be using these next May
Yes and he also said that this is a maintenance protocol. Ie. OA extended release will not knock high Varroa numbers down but will keep low numbers from skyrocketing. Do not rely on OA extended release as your primary Varroa treatment protocol.
@@fshrgy99 no I plan on using Apiguard treatments also. Along the same lines as Bob does with his treatments.
An ongoing treatment on 1 chemical...
Have we learned nothing about how organisms develope resistance to chemicals?
There is no one single treatment I would use. Extended release oxalic acid would be used in conjunction with a full pest management protocol. It would be just one tool to use to mitigate varroa mite. The most important tool a beekeeping can use to control varroa mite is an alcohol wash because that enables you to monitor their levels. So you know if your treatment protocol is working.
Why a 40min video? Could be done in 5/6mins painful
You didn't have time to watch the video, but you had time to type a comment. It always amazes me when someone complains about something for no particular reason other than to complain. Lots of Kevin's and Karen's out there.
I watched the full video, seriously way too long
Outstanding video!!! I watched all 39:55 and loved every minute of it !! Great presentation of Randy’s slow release OA sponges! Thanks! 👍👍
@oneshoo thank you. My goal was not to just re-spew a simple recipe like most people do. My intent was to explain reasons why you could use it and why we should be able to use it and a little bit of a political statement on the red tape of government and how it negatively affects the world.
@@Innisfilcreekhoney
And you did so very articulately! I would say that I’m going to try it, but I don’t want the bee police knocking at my door! 🙄🤦♂️