what happens after a hen lays a fertilized egg
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After a hen lays a fertilised egg, the parent hen sits and warms the egg or keeps it safely in a warm place till it hatches.After three weeks of development, the chick is completely developed and bursts out opening the egg shell.
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After fertilization, a hard protective layer formed over a hen's egg. After the hard shell is formed around the embryo, the hen lays the egg. ... It takes about 3 weeks for the embryo to develop into a chick. After its development is complete, the chick comes out by bursting open the egg shell.
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