The use of algal suspension of Chlorella vulgaris in beekeeping | Utilizarea suspensiei algale Chlorella vulgaris la cresterea albinelor
2013
Zagareanu, A., Universitatea Agrara de Stat din Moldova, Chisinau (Republic of Moldova)
The paper presents the results of the study on the effects of Chlorella vulgaris suspension on growth performance, development and honey yield of bee colonies (Apis mellifera carpatica). A series of experiments were carried out with worker bees and nurse bees fed, in several steps, with one liter (per bee colony) of suspension of Chlorella Vulgaris with sugar 1:1. During the active season, the control of bee colonies was performed every 12 days up to the main harvest from black locust. The results revealed that Chlorella supplement had a beneficial effect on the development of bee colonies. The number of capped brood in Chlorella supplemented groups was 22,4% more than in the control. Honey yield also increased by 17.0% as compared with the control group, fed with sugar syrup. Dietary Chlorella supplementation to nurse bees contributed to a better development of queen cells, influencing their mass, length and diameter. For stimulating the development of bee colonies in the spring, when there is a lack of natural forage (nectar and pollen), it is recommended to use the suspension of Chlorella Vulgaris with sugar 1:1, one liter every 12 days; in the period of queen rearing _ from the transplanting of larvae to the capping of queen cells, (5 days).
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