Ever wonder what’s going on inside the eggs as you wait the LONG 21 days until hatch day? Well, put away your LED flashlight and get out of that dark closet, here’s an up-close and totally AMAZING look at chicken embryo development from day 1 to 21. For more information about  embryo development and candling pictures, visit my blog post here.

















*Photos by  the Purdue Research Institute.

Order your copy of my bestselling book,

The Chicken Chick’s Guide to Backyard Chickens!

Available now on Amazon!

Kathy Shea Mormino

Affectionately known internationally as The Chicken Chick®, Kathy Shea Mormino shares a fun-loving, informative style to raising backyard chickens. …Read on

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Ever wonder what’s going on inside the eggs as you wait the LONG 21 days until hatch day? Well, put away your LED flashlight and get out of that dark closet, here’s an up-close and totally AMAZING look at chicken embryo development from day 1 to 21. For more information about  embryo development and candling pictures, visit my blog post here.

















*Photos by  the Purdue Research Institute.

Order your copy of my bestselling book,

The Chicken Chick’s Guide to Backyard Chickens!

Available now on Amazon!

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Sunny in AZ
Sunny in AZ
10 years ago

Thanks so much for posting these pictures :) I have 20 eggs in my incubator and they are on day 13 and the pictures help to let me see what is going on in there :)

Emma Maiden Bayley
Emma Maiden Bayley
10 years ago

Hi Kathy, I have 6 eggs at day 18 under my broody. I also use your photo's as a guide to what's going on in the she'll. BRILLIANT point of reference!! Keep it up!!! Emma Bayley. England x

Sam Salisbury
Sam Salisbury
10 years ago

Great pics, very informative. Thank you for sharing :-). The correct/updated link to the information about doing this at home is at: http://web.uconn.edu/poultry/4-H%20Poultry/invitro_inset.html

Tnt Swift
Tnt Swift
10 years ago

This is amazing..I look at these pictures everyday.. I have 3 in my incubator we are on day 6.. and I compare these photos with my eggs to see how they're growing.. thank you Kathy keep up the good work

Richard M Schmitz
Richard M Schmitz
10 years ago

Getting eggs from a coworker who has chickens and a rooster, alas, we only have chickens. How will we know if they are fertile to start the incubation process? Is it a crap shoot on telling if any of the eggs are fertile to start with? Is there anything I should tell my coworker to do in collecting the eggs? She is going to give me two dozen so that my daughter can put 12 in an incubator and 12 under one of our chickens (hopefully we have a broody one by the time the eggs arrive) for a science… Read more »

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