incubator hatching

Hi! I had 5 of 6 incubator chicken eggs pip and hatch within 24 hrs on 'hatch day', which was this Friday. The chick inside peeped this morning but isn't pipping externally. What's the latest you had a 'last egg' pip and then hatch, or be alive and then die without pipping or without hatching?

I was hatching quails… on day 15 I started to see them rocking. On day 16 still rocking then started peeping. On day 17 rocking and peeping through the egg. But nobody made it out. I got nervous so I started to make safety holes on the air sack. I couldn’t hear any of them chirping. Day 18 they...

Hi guys! I’m new to hatching and BYC. I’m like a first time mum with eggs in my incubator! I needed a place to share my chicken excitement because even my husband and kids aren’t as excited as I am about our new chicken family! I’ve got 5 speckled Sussex eggs from eBay, 5 Brahma (3 light 2...