A method of preparing a protein feed for bees and bumble bees, a device for implementing this method and a protein feed prepared by this method

摘要

A method of preparing a protein feed for bees and bumble bees containing dried biomass of the alga of Chlorella sp. with a protein content of at least 60% by weight, with a particle size from 0.1 μm to 5 μm, which is mixed in a sealed pressure watertight container and, at the same time, moistened to a moisture content of 2 to 15% under an elevated pressure. A protein feed and a device for its preparation The protein feed is suitable for the use as a potential pollen substitute in early spring and late spring months for starting the bee and bumble bee metabolism after the winter period and for overall improvement in their health status.