Re: g) Hive design, what type?
The optimum hive design depends to a degree on where you live and on your objectives in keeping bees.
1. Standard langstroth equipment is pretty much tested over time and proven to work. It has some deficiencies such as weight of a deep full of honey. Still, it is easily sold and easily replaced if you are buying equipment.
2. A square box based on Langstroth dimensions so standard frames fit with a total of 12 frames in a box is a viable alternative. Medium depth is probably a better configuration for this size since weight becomes a significant issue with deeps. The biggest advantage of this size is that the base is larger so colonies don't stack quite so high. The disadvantages include not standard so not as readily sold, and it is a bit of an odd fit for overwintering colonies.
3. Eight frame equipment based on Langstroth dimensions is viable in most of the U.S. and is preferred by some pollination operations. It has advantages when working the bees because the hive is lighter even when full of honey. Disadvantages include overwintering problems in severe winter areas and purchasing them can be difficult because only a few manufacturers support them.
4. Horizontal hives of various designs such as the Kenya topbar hive are viable but mostly limited to hobbyists. For a given size hive, they require the least material to build. This hive design is at a slight disadvantage in severe winter areas because bees have a natural tendency to move up onto combs of honey immediately above the brood nest.
While many hive designs have been tried over the years such as the Stewart vertical octagon hive and various versions of tubular hives both vertical and horizontal, none of them are practical from a beekeepers perspective.
So what would be an optimum design for a hive?
1. A single brood chamber should hold all the brood and bees needed by the colony.
2. It should be easily portable so beekeepers can manipulate it with ease.
3. Honey should be readily removed and easy to extract.
4. pest control should be easy to implement. This could include protection from tropical hornets, varroa, and diseases.
5. It should insulate from the worst of cold external temperatures.
6. It must permit colony manipulation by the beekeeper with minimum disruption of the colony.
7. It must be durable.
There are several other desirable features, but the above gives an idea. From the above, you can readily see that Langstroth dimensions come close but miss out on several items.
Darrel Jones
DarJones - The universe is not only stranger than we imagine, its stranger than we can imagine - JBS Haldane
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