I don't think candling can tell you that there is a rotten egg. only that there is no growth, for me I can't tell anything until past day 10, which would mean that if there is a rotten egg wouldn't have already affected the other chicks.
When candling it is posable to tell if there is a roten...
I've never had that happen. I don't candle until day 18. Hens don't candle and I'm sure that not all their eggs hatch either.
Bacteria grows much better and faster in an incubator than under a hen. The incubator cerculates the same air around and around for the mast part. Under a hen there is...
I candle on about day 4 or 5. Once you get used to candling it becomes very obvious the difference between growing, dead, and infertile eggs. Its all experience so just keep trying.
Unless space for more eggs is an issue I think candling should be skipped all together.
If you don't candle and...
Hello everyone. I live on my small farm in Nova Scotia, Canada. I raise Registered Shetland sheep, Nubian goats, Many kinds of pure chickens, Call ducks, and Pilgrim geese.
I look forward to getting to know you all.