Many people that do not have cabinet incubators find ways to fit the extra eggs in whether by stacking or in border areas. Eggs need to be turned by hand to prevent the crushing of some eggs that might be hit by the turners. As eggs are candled, infertiles and early quitters are removed and...
Her answer was correct. In cabinet incubators even with the turners, it is recommended to stack a second tray of eggs in order to double the capacity of the incubator when hatching quail eggs.