The 2012 Heartland Apiculture Society queen rearing short course in St. Louis was a success. We provided presentations, a grafting workshop, and apiary demonstrations over three days. Here are a few pics of the cell builder we set up in the apiary, a ‘queenless cell starter / finisher’. A cell builder is a colony manipulated to raise queen cells from grafts.
Once the cells are capped at day 5 after grafting they could be moved to an incubator, or left to incubate in the colony until day 10 when they are ready to be placed into mating nucs. This colony can be used again to start and finish more cells once the first set is capped. To keep the colony going, since its queenless, one or two frames of capped brood, with some open brood, can be introduced each week at the position beside the queen cells. More nurse bees (bees on brood frames) from other colonies can be shaken into the box if the population drops noticeably. This setup can be used for a month or even longer, as long as it is producing good cells.