Does anyone know a good resource for some visual aids in candling? My ducks are laying. I am treating all of them right now as potential babies. This is our first laying "season" with our ducks. I am trying to hone my candling skills but I could sure use some help. We have some hens sitting on their nests but we also have eggs in the incubator. I can't bring myself to crack eggs unless I know absolutely there is no embryo. I also have a couple of people wanting some eggs but don't want to give them fertile eggs. Any input would be greatly appreciated. Thanks.
