they have been in the cages for about 2months now they are all over a year of age, feeding them normal seed aswell as silverbeet, grit and these bfrain food cake i make, cage size is about 600mm width x450mm high x400mm deep the box is situated in the left hand corner it size is about 150x150x200mm i made these myself a while ago i will get some photo's and post them on here.they breeding box's are situated in the big cage would that make a difference