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University of Nebraska–Lincoln

UNL Extension in Lancaster County

4-H Embryology

"4-H teaches science and life skills at school, home and on the Web".

Movie Clips - Candling Day 6


The movie does take a little while to load over a dial-up connection. There isn't a "count down" - the movie will appear in the box below when fully loaded - (547KB). It is worth the wait if you want to see a chicken embryo move INSIDE an egg. While waiting for the movie to load, read about what you'll see and view photos below.

More Movies and Photos:


For information on reproducing this resource or using any photographs or graphics, read the Terms of Use statement)

 

 

When the movie starts - here is what you'll see: This embryo is six (6) days old. Eggs are candled to see how the growing embryos are doing. We candle by holding the egg up to a very bright light in a dark room. The light doesn't hurt the embryo. When you watch the movie, see if you notice:

  • An "X" on the egg shell - we mark the eggs with an X to help us know which side of the egg needs turned.
  • The air sac inside the egg.
  • A network of blood vessels (appears orange in the light)
  • A dark spot inside the egg - that is the baby chick's eye
  • The 6-day old chicken embryo moving around inside the egg

Problems Viewing the Video: Check to make sure you have Windows Media Player and the right plug-ins. This is a test movie and we will continue to work on a format that most everyone can view easily so if you can't get it this time, check back. MAC users: Try using Apple's Quicktime Plug-in

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Photos of a 6 Day Old Chicken Embryo:


PHOTO 1: Do you see the shadow of the embryo in this egg? Look for the dark spot. If you need help, see PHOTO 3 in the last box (Click on the image for a larger view)

Candling - Click on image for larger view

PHOTO 2 - EMBRYO: Here is what the embryo would look like if you removed it from the egg. Can you find the eyes, the beak and the wings?

Chicken Embryo at the 7th Day of Development

PHOTO 3. (PHOTO 1 + PHOTO 2 = PHOTO 3): The picture of the embryo (Photo 2) was added to PHOTO 1. Now you can see how the embryo inside the egg really looks. Compare the pictures. (Click on image for larger view)

Candling - Click on image for larger view

For information on reproducing this resource or using any photographs or graphics, read the Terms of Use statement)


Lancaster County, Nebraska 4-H Embryology Resources



Contact Information

University of Nebraska-Lincoln in Lancaster County | Web site: lancaster.unl.edu
444 Cherrycreek Road, Suite A, Lincoln, NE 68528
| 402-441-7180

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