36'' x 30'' (Fits No. 0528 & No. 0534 Brooder). -DACB (Deotized Animal Cage Board) is a special Neomycin treated absorbent board to inhabit bacterial degradation to aid in control of disease and odors. Use on brooder floor in heated area to protect chicks from drafts and neutralize droppings. AS A FEEDER TRAY- Place feeder on DACB and scatter feed around every day to start chicks to eating. Healthier chicks, as DACB retards harmful bacteria. One sheet placed in dropping pan under feeder area absorbs moisture from droppings and Neomycin aids in control of odors.