... AN EFFICIENT PRODUCTION OF BEE COLONIES AN EFFICIENT PRODUCTION OF BEE COLONIES The 2nd Operation (Fig 5) May 25th or 10 days after the first operation you the 2nd one You take off the roof and... AN EFFICIENT PRODUCTION OF BEE COLONIES AN EFFICIENT PRODUCTION OF BEE COLONIES 11 Wintering of Used Brood Producers What does one with twelve double colonies from which the queen bees have delivered... 12 AN EFFICIENT PRODUCTION OF BEE COLONIES AN EFFICIENT PRODUCTION OF BEE COLONIES 13 Optimizing the Collection of Nectar in Spring Specially on Winter Rape A few years ago we had a series of queen