Egg Candling and Advanced Techniques for Incubation & Hatching

The candling process works by illuminating the interior of an egg so you are able to see what is inside the shell. This article will show you the correct procedure for candling an egg.

Day 1 Egg / Tag 1 Ei
Beginning Of Alimentary Tract; Vertebral Column; Nervous System And Head		 Day 2 Egg / Tag 2 Ei
Beginning Of Ears And Heart. Heart Is Beating.		 Day 3 Egg / Tag 3 Ei
Beginning Of Nose, Legs And Wings
Related image Day 5 Egg Day 6 Egg Day 7 Egg
Day 4 Egg / Tag 4 Ei:
Beginning Of Tongue		 Day 5 Egg / Tag 5 Ei:
Formation Of Reproductive Organs		 Day 6 Egg / Tag 6 Ei
Beginning Of Beak		 Day 7 Egg / Tag 7 Ei
Day 8 Egg Day 9 Egg Day 10 Egg Day 11 Egg
Day 8 Egg / Tag 8 Ei
Beginning Of Feathers		 Day 9 Egg / Tag 9 Ei Day 10 Egg / Tag 10 Ei
Beginning Of Hardening Of Beak		 Day 11 Egg / Tag 11 Ei
Appearance Of Scales And Claws
Day 8 Egg Day 9 Egg Day 10 Egg Day 11 Egg
Day 12 Egg / Tag 12 Ei Day 13 Egg / Tag 13 Ei Day 14 Egg / Tag 14 Ei Day 15 Egg / Tag 15 Ei
Day 16 Egg Day 13 Egg Day 14 Egg Day 15 Egg
Day 16 Egg / Tag 16 Ei
Scales, Claws And Beak Becoming Firm		 Day 17 Egg / Tag 17 Ei
Beak Turns Toward Air Cell

Nineteenth Day – Yolk Sac Begins To Enter Body Cavity

Twentieth Day – The Chick Is In Hatching Position. It Has Pierced The Air Cell With Its Beak. Pulmonary Respiration Has Begun.

Twenty-First Day (Average For Poultry): The Chick Breaks The Shell With Its Egg Tooth (The Sharp Horny Structure On The Upper Beak, Which Will Disappear Within Days Of Hatching). An Enlargement In A Muscle In The Back Of The Neck Also Helps The Chick Force The Egg Tooth Through The Shell.
Day 16 Egg Day 17 Egg