Fecha de publicación: 03/10/1985 Fuente: WIPO "apis" In a method and an apparatus for breeding larger and more efficient queen bees in plastic honeycombs with a central wall and cells on one side, it is proposed that the cell walls be designed to be detachable from the central wall and exchangeable for cell walls of different dimensions, the original cell walls having the dimensions of cell walls for worker bee cells and the exchangeable cell walls having the dimensions of cell walls for queen bee cells.