Stages in Development of Egg of Hen

Stages in Development of Egg of Hen

There are two major parts of poultry farming, first is to raise poultry for meat and second to raise poultry for eggs. Egg is the base aspect of both the businesses. Brooding is very important to get chicks from them. Brooding is done naturally by broody chickens. After the completion of brooding, that is, after 21 days, the chicks emerge from the eggs.

Stages in development of egg of hen: Brooding machines are used for brooding in big farms. When we take the task of brooding by artificial method, it becomes necessary that we keep the knowledge of the development inside the egg in 21 days. This post is based on this topic.

Day by day development of embryo inside the egg

Also read:

(01). Day one

S.N.StagesHours
1.Development of shape and structureAfter 16 hours
2.Formation of alimentary canalAfter 18 hours
3.Formation of backboneAfter 20 hours
4.Formation of eye, blood, and nervous systemAfter 21 to 24 hours

(02). Day two

S.N.Stages
1.Formation of ears
2.Formation of heart

(03). Day three

S.N.Stages
1.Formation of nose
2.Formation of feathers

(04). Day four

S.N.Stage
1.Formation of toungue

(05). Day five

S.N.Stage
1.Formation of reproductive organs

(06). Day six

S.N.Stage
1.Development of the shape of beak

(07). Day seven

S.N.Stage
1.Formation of legs

(08). Day eight

S.N.Stage
1.Same as in day 07

(09). Day nine

S.N.Stage
1.Hardness of beak

(10). Day ten

S.N.Stage
1.Same as in day 09

(11). Day eleven

S.N.Stage
1.Formation of paw and its accesory organs

(12). Day twelve

S.N.Stage
1.Same as in day 11

(13). Day thirteen

S.N.Stage
1.Same as in day 11

(14). Day fourteen

S.N.Stage
1.The head of the chick sets towards the broader end of the egg.

(15). Day fifteen

S.N.Stage
1.Legs become stronger
2.Paw becomes stronger

(16). Day sixteen

S.N.Stage
1.Same as in day 15

(17). Day seventeen

S.N.Stage
1.Beak sets towards the vacant place inside the egg

(18). Day eighteen

S.N.Stage
1.This is the proper development stage of the chick

(19). Day nineteen

S.N.Stage
1.Same as in day 18

(20). Day twenty

S.N.Stage
1.Same as in day 18

(20). Day twenty one

S.N.Stage
1.Young chick breaks the broader end of the egg using its beak

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