The establishment of lung ventilation in the avian embryo: the rate at which lungs become aerated.
D000818:Animals; D002642:Chick Embryo; D004372:Ducks; D004625:Embryo, Nonmammalian / Q000502:physiology*; D008168:Lung / Q000502:physiology*; D011784:Quail; D012119:Respiration; D013045:Species Specificity; D013997:Time Factors