Ok so I am wanting to try my hand at incubating some eggs but I have no idea how to tell if they are fertile. My roo is definatly getting busy with my girls but which ones? Have no idea. And since I free range I do not know who is laying where. So how do I tell if the eggs are fertile. I read about candling the eggs but what am I looking for? And what temp do I need to maintain? Is there a thread on that? Every time I do a search I get a million threads that I have to read through to see the word candling. So any help would be great! Thanks.