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An example of the tub shaped top-bar hive is the so-called Greek hive that was first described in the 17th century and has been used in Crete until recently. Tub shaped top-bar hives are usually small enough to be portable, and allow beekeeping methods that involve periodic merging and splitting of colonies.
The management technique that yields the highest amount of wax per hive is the top-bar hive. During the harvest of the honey from top-bar hives the whole honey comb is removed and crushed to extract the honey. The commercial honey producers use Langstroth hive frames. The honey extraction process yields beeswax from the uncapping process.
Horizontal hives often use top-bars instead of frames. Top bars are simple lengths of timber often made by cutting scrap wood to size; it is not necessary to buy or assemble frames. The top bars form a continuous roof over the hive chamber, unlike conventional frames which offer a bee-space gap so that the bees can move up and down between hive ...
In the brood chamber, the bees built the combs in free style. Johann Dzierzon described the correct distance between combs in the brood chamber as 1½ inches from the center of one bar to the center of the next. In 1848, Dzierzon introduced grooves into the hive's side walls replacing the strips of wood to hang top bars.
Modern top bar hive. A Horizontal top-bar hive is a single-story, frameless beehive in which the comb hangs from removable bars that form a continuous roof over the comb, whereas the frames in most current hives allow space for bees to move between boxes. Hives that have frames or that use honey chambers in summer and use management principles ...
In beekeeping, a queen excluder is a selective barrier inside the beehive that allows worker bees but not the larger queens and drones to traverse the barrier. The bars have a distance of 4.2 millimeters. The barrier grid was probably invented around 1890. The purpose is to prevent the queen from moving from the brood chamber to the honey chamber.
Additionally a higher number of hives within an apiary can increase the quality of the honey produced. [10] Depending on the nectar and pollen sources in a given area, the maximum number of hives that can be placed in one apiary can vary. If too many hives are placed into an apiary, the hives compete with each other for scarce resources.
Beekeepers may harvest honey from July until October, according to the honey flows in their area. Good management requires keeping the hive free of pests and disease, and ensuring that the bee colony has room in the hive to expand. Chemical treatments, if used for parasite control, must be done in the off-season to avoid any honey contamination.