Thanks. I will keep track of the bubble size. Found a graph that shows it and guess I'll just log my settings and if it works keep doing it that way, if it doesn't I'll make some changes.
Day one of our incubation period on 12 Ancona duck eggs. I have a circulated air incubator with automatic turner. I thought I had done my reasearch and was ready to go until I got on here. Everywhere from metzer farms to any other website says to keep the humidity for duck eggs at around 80% for...