The calcium this time is better, but the duck egg in the cup started to rot,so I took it out.
The rubber egg is doing great, I checked it and it started growing
and everything else is still going great.
25 h -Appearance of eye; vertebral column visible; embryo begins to turn on left side (6 somites).
28 h -Ear begins (7 somites).
30 h -Amnion (embryonic membrane around embryo) begins. Primary function is to protect embryo against shock and sticking; also responsible for some albumen absorption. Chorion (embryonic membrane that fuses with allantois) begins; heartbeat begins (10 somites).
38 h -Cranial flexure and torsion evident; heartbeat moves blood (16 to 17 somites).
42 h -Thyroid begins.
48 h -Anterior pituitary and pineal glands begin to develop.
Day 3:
50 h -Embryo turns on left side; allantois (embryonic membrane that fuses with chorion) begins. Functions of chorioallantois are: a) respiration; b) albumen absorption; c) absorption of calcium from shell; d) storage of kidney excretions.
60 h -Nasal pits, pharynx, lungs, anterior limb buds begin.