Chicken Egg Embryonic Development

https://youtu.be/ This video was edited with Camtasia (https://www.techsmith.com/camtasia.html). Camtasia allows the editor to add overlays or callouts (arrows, text boxes etc) as well as closed captioning.
In this video, you will see a why there are different size of chicken eggs; how to determine if an egg is fertilized; and some of the differences between a store bought eggs and farm eggs.

Timeline:
Introduction 0:00
Goose egg 0:10
Pullet egg 00:26
Inside the egg 01:13
Fertilized or not 02:02
Blastoderm 02:06
Albumin 03:06
Fertilized or not 04:01