How to know if an egg is fertile or infertile before incubation.
Not sure whether your eggs are fertile? There are a couple of different methods you can use to see if there’s potential life inside an egg, or whether it’s simply a yellow yolk that won’t develop further. By opening the egg If you crack it open, a fertile egg can be identified by a small white circle on the yolk, that has a ‘bullseye’ like shape – i.e. one small white circle, with another white ring on the outside of it. This is created by a cluster of cells that, if incubated, will hopefully develop into a baby chick. By candling If you’re looking to incubate your eggs, then the only way to tell if the egg is fertile is by incubating it for a few days, and then candling the egg to see its progress. This involves going into a dark room, and shining a bright light underneath the large end of the egg. If the egg is fertile, then you should see a dark spot around the middle of the egg, with some spider-like veins beginning to form around it. If its not, you should just ...