I really like this presentation. Mr. Tardif is a very smart person and is very good at getting data and interpreting the information and "translating" the info to palatable language. It took me a couple days to actually watch this presentation but just because of my work schedule, I was looking forward to it the whole time and I was definitely not disappointed.
Excellent presentation! I've vastly improved the winter survival rate for my colonies using the management practices you've explained so well. It's also apparent to me now that too much space adds to winter losses; and, that, worker bee longevity has been diminished which results in smaller winter clusters. Before mites double deeps without insulation was the norm, and yet my old bee journal reminds me that winter losses were insignificant in that era.
I have much of the same beekeeping philosophy from my experience here in NC. I don't think bees struggle with humidity or lack of ventilation, but seem to produce more brood a couple weeks earlier. Im very interested in the relationship of CO2 PPM and the pH in the bees/brood, and how this effects physiology.
Since you under stand this so well maybe you could create an excel spreadsheet to predict winter losses. Volume of bees vs volume vs insulation vs heat loss
CO2 is heavier than oxygen, so it would be bottom ventilation, not top that should be used to let it escape. I recently needed to kill SHB and their eggs and waxmoth eggs from too many Layens frames to fit in my freezer, so I used dry ice in covered plastic totes. I know the temperature was not low enough to kill, but the beetles and bees died and no new ones hatched. I believe the CO2 filled the totes from the bottom, forced the O2 out the top, and suffocated both live pests and any eggs.
CO2 is heavier than air, that's true, and it should therefore be evacuated through the bottom entrance. However, since bees warm the air around them, this creates a convection current that ultimately causes the CO2 to exit through the top exit.
I really like this presentation. Mr. Tardif is a very smart person and is very good at getting data and interpreting the information and "translating" the info to palatable language. It took me a couple days to actually watch this presentation but just because of my work schedule, I was looking forward to it the whole time and I was definitely not disappointed.
@@jasonseaward8506 we always look forward to hearing from Etienne!🎉
So do I, I'm a subscriber of his channel. He has a brilliant mind. Thank you for hosting this presentation @@sbgmimedia
Excellent presentation! I've vastly improved the winter survival rate for my colonies using the management practices you've explained so well.
It's also apparent to me now that too much space adds to winter losses; and, that, worker bee longevity has been diminished which results in smaller winter clusters. Before mites double deeps without insulation was the norm, and yet my old bee journal reminds me that winter losses were insignificant in that era.
We are grateful for Etienne's work for Northern Beekeeping!
Very informative
I have much of the same beekeeping philosophy from my experience here in NC. I don't think bees struggle with humidity or lack of ventilation, but seem to produce more brood a couple weeks earlier. Im very interested in the relationship of CO2 PPM and the pH in the bees/brood, and how this effects physiology.
Smart man 👍🏾
Since you under stand this so well maybe you could create an excel spreadsheet to predict winter losses. Volume of bees vs volume vs insulation vs heat loss
CO2 is heavier than oxygen, so it would be bottom ventilation, not top that should be used to let it escape. I recently needed to kill SHB and their eggs and waxmoth eggs from too many Layens frames to fit in my freezer, so I used dry ice in covered plastic totes. I know the temperature was not low enough to kill, but the beetles and bees died and no new ones hatched. I believe the CO2 filled the totes from the bottom, forced the O2 out the top, and suffocated both live pests and any eggs.
Interesting approach! Clever.
CO2 is heavier than air, that's true, and it should therefore be evacuated through the bottom entrance. However, since bees warm the air around them, this creates a convection current that ultimately causes the CO2 to exit through the top exit.
Low O2 kills too.
🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻