2Lomholt J P. Relationship of weight loss to ambient humidity of birds eggs during incubation[J].{H}Journal of Comparative Physiology,1976,(02):189-196.
3Meira M,Ar A. Compensation for seasonal changes in eggshell conductance and hatchability of goose eggs by dynamic control of egg water loss[J].{H}British Poultry Science,1991,(04):723-732.