Thanks, P.Sue, I'm pretty sure mine are Dewlaps. what about humidity: first of all, wouldn't it make even more damage if I change it now? it was 50-55% for seven days now. I used these settings, because a friend of mine is breeding heavy geese breeds for 4 or 5 years now and he always uses, 37,5 C and 55%, only when hatching start he drops the temperature and increase humidity even more. he does not have many loses of fertile eggs during incubation, all hardship starts when hatchings starts- keeping an eye and assisting the goslings, when they need. Maybe this dry incubation is used ony for Toulouse eggs? or you use it for all water birds? sorry, maybe I'm way behind and waisting your time, but I really did not know about this methode. the man from whom I bought incubators advised me to start with the humidity of 75-80%... I chose my friends' settings.
About the food: here in Lithuania we have severe winters (up to -25-30 C below), sometimes cold and damp autumn and spring, so climate is bad for birds, they have to spend a lot of time in the coops (chickens) and geese do not have an early grass. so what changes do I need in their diet? also how to calculate exact amount of protein in the feed? I've read that they need 15% of protein in the winter and 18-22% of protein when they are laying?