A chicken’s egg is a wonderful thing. It provides things that soon-to-be-chicks need to help them grow and unfertilized eggs are delicious and nutritious.
The shell of a fertilized egg protects the embryo as it grows and prevents dirt and germs from getting inside the egg. When the egg is first laid, the chick is nothing but a tiny white disc.
For a chick to grow correctly and to hatch, the egg needs to be kept warm or incubated. After the egg is laid, the hen will sit on it and occasionally rotate it to warm it evenly. The nest should be damp too. If it isn’t, the egg will dry out and die.
As the days pass by, the chick gets bigger and bigger inside of the egg. The body begins to form, and then in three days, the embryo has a heart and blood. The egg is ready to hatch in 21 days.
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