Category Archives: Okategoriserade

25 jan. I isolerade kupor sitter bina löst

English summary: The old theory say that the bees is clustret together and can’t move sideways. The only possible way is up and the cluster will move upwards as they eat the honey store. If tehy reach the roof they might starve even if there are plenty of honey on the sides. On the contrary,Continue reading “25 jan. I isolerade kupor sitter bina löst”

23 Jan-månadsvägning

English summary: Monthly weighing and all colonies but one is alive. A few (yellowmarked) have increased their food consumption considerably whihc indicates that they have produced a bit of brood. Unfortunately its too cold to open up and confirm. Vid vägningen noterar vi att alla samhällen fortfarande lever men nr fem har väldigt lite binContinue reading “23 Jan-månadsvägning”

13 jan: Nästan dött samhälle tomt på bin

English summary: In recent years, there have been reports of beekeepers founding there hives dead in the spring with no traces of bees. Some claim that the bees hence must have “disappeared” during the winter, obvioulsy left the hive despite the cold temperatures. Since the bees can’t survive a body temperature below 6 degree CContinue reading “13 jan: Nästan dött samhälle tomt på bin”

7 januari: Nytt kapitel i biboken

English sumary: There is a new chapter available in my beebook. Det har fallit en 30-40 cm snö så kuporna är nästintill begravda. Snön fungerar som extra isolering så bina sitter lugnt i sina kupor och inväntar varmare tider. Jag har använt Jullovet till att skriva färdigt ännu ett kapitel för den som vill läsa:https://dodsbisyssla.com/bibok/

5 Jan. Värmekameror ser inte genom material, bara ytan.

English summary: The web is flooded with IR-images pretending to show the cluster through the walls of the hives. From American movies we have learned that IR can see through walls easily, and perhaps there are some fance military stuff that can actually do that. But no commercial IR camera I know of have thatContinue reading “5 Jan. Värmekameror ser inte genom material, bara ytan.”

1 Jan: Det naturliga biboet – eller varför finns det så många drönare?

English summary: The natural bee-nest, located in hollow trees, provides the bees with good insulation and, thanks to the propolis layer on the surface of the hole, a perfect shielded closed compartment where the bees can control the environmental. Due to constraints in the size of the holes feral colonies rarely passes some 25000 beesContinue reading “1 Jan: Det naturliga biboet – eller varför finns det så många drönare?”

26 dec, månadsvägning samt justering av sensorer

English summary: Time for the monthly weighing and all colonies, but one, seems to thrive. Food consumption is now down to 0,5-1 kg per month and hive, which show that even though the bees sits losely they don’t use much food since they don’t have to produce extra heat in a proper insulated hive. ÄnnuContinue reading “26 dec, månadsvägning samt justering av sensorer”