Candling an egg means looking into the egg from the outside using a light. It is done to see if a chicken is developing inside the egg. If a chicken is developing, the egg is not used for food. It is left to incubate.
eHow - How to Candle Eggs
Copyright 2009-2013 Book Drum Ltd
Registered Number:06981959 Registered office: 26 Delancey Street, London NW1 7NH