incubating eggs

My cockatiel laid her first egg on the bed inside a quilt on 13th jan. They were mating a lot so i am pretty sure that the eggs are fertile. I read a lot about it on the internet and found that they prefer to stay in their nesting area until the egg laying and incubation cycle is complete. The...

I know that incubation is roughly between 18-21 days but I've got 1 egg in my brand new brinsea advance bator that's doing really well. Should I go into lockdown on the 18th day or wait until near the time when the egg shows first signs of internal\external pipping? Tomorrow will be the 12th...

Several recent postings made be think that the info below (still in progress) might be useful, especiall y in regards to fertility and infertility problems. Note: if the problem is serious or you can not determine the cause it is best to go to an experienced avian vet, to check the breeding...