That's exactly how I ended up raising chickens...lol It was a homeschool project for my son's 1st grade oviparous animal study. Anything that hatched was supposed to go back to my sister along with her incubator. Let's just say two years later and two coops later, I still have her incubator....lol
Some will hatch quicker than that, just don't be too anxious if they take longer. I do chickens and I rarely have pippers zip before 10 hours. Usually between 12-18. Once they hit 18 hours I start getting antsy even though I know they can take a full 24 hours or longer...lol
The vascular...
Duck can take even longer than chicken eggs to progress. With chickens it's not unusual to see 24 hours between progression, from my understanding ducks can go 48.
First if using an automatic turner it is best to take them out because little legs can get injured and splayed trying to walk across them.
Eggs do not NEED to be turned in the last week, so as long as you didn't stop turning before that you are fine. Most often, at least with my hatches, I...