Day 19: Intestinal loop retraction complete; yolk sac begins to enter body cavity; amniotic fluid (swallowed by embryo) disappears; beak may pierce air cell and lungs begin to function (pulmonary respiration).
Day 20: Yolk sac completely drawn into body; air cell pierced, followed by functioning of pulmonary respiration; embryo makes sounds; chorioallantoic circulation, respiration, and absorption decrease; embryo may pip shell.
OMG GUYS IT HATCHED ALL BY ITS SELF, WE DID IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
THANK YOU EVERYONE THAT SUPPORTED ME THESE LAST 3 YEARS, WE DID IT!!!!!!!!!!!!!!!!
VIDEO COMING VERY SOON