Good, I was basically giving guidelines for anyone that looks up this thread in the future. All cases are different. Shipped eggs can be their own can of worms. Lol
How’s the duckling doing now? Can you post a pic?
Calls “usually” start to zip within 24 hours of the first external pip, depending on air cell size, which is less time than other duck species that can take much longer. They can pip many times before actually starting to zip. When you notice a pip line about an inch long, in a fairly straight...