Journal of Apicultural Science

Effect of changing of colony structure on trapped pollen

Journal of Apicultural Science. Volume 47, Issue 1, Pages 11-20, ISSN (Print) 1643-4439
The goal of the experiment was to establish the effect of the changing of the structure of bee colonies on the amount of trapped pollen. Colonies were divided into 5 groups: the group PTC (pollen trapping - control), the group PTF (pollen trapping and transferring colonies onto comb foundation), the group PTN (pollen trapping and nuclei building from brood and bees), the group PTI (pollen trapping and isolation of queens). The total production was established that consisted of harvested honey, trapped pollen and calculated honey (trapped pollen, wax, bees and brood taken from colonies expressed as kgs of honey).
Pollen trapping method applied in the group PTN (8.5 kg) was the most efficient during the experiment. The average amount of collected pollen was the largest by a highly dignificant degree in comparison with the other groups: PTC (3.6 kg), PTI (5.2 kg) and PTF (5.7 kg).
The highest honey yield was harvested from the control colonies (PTC - 16.3 kg) and the group transferred onto comb foundation (PTF - 14.4 kg), while the lowest one from the colonies where nuclei were created (PTN - 7.9 kg) and those differences were confirmed statistically (p=0.01).
Regulation of colony structure through taking brood and bees out in order to create nuclei (group PTN) as well as caging queens (group PTI) decreased significantly honey production in comparison with the control colonies (group PTC).
It can be said that the lower honey yield and the significant increase of pollen production in colonies of the group PTN were the result of the applied technology of regulation of colony structure.
honey, pollen, pollen trapping, total production, brood, bees, queens
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