My female budgie, Laila, laid her first ever egg on 25 May and went on to lay 7 eggs. Two of them were infertile and 5 hatched. The last of the 5 came out of the nest box abour 4 days ago and so we took off the nest box. Today Laila laid an egg in the cage. We attached the nest box back and placed the egg in there, which Laila burried in the wood shavings. We placed it on top again and she burried it again. Is it normal for a budgie to lay eggs so soon? I really do not want to have any more budgies in my house (already there are 7 now), but I could give them away if they do hatch.
Laila is a small bird and doesn't fly much - she can only fly downwards, but not upwards. She is a very active budgie and keeps herself occupied with the toys, but I am worried what impact it would have on her health to be having more babies within such a short time. Would she go on repeating this egg laying process all the time? How can this be stopped? Is it okay if we don't attach the nest box, in which case I guess she won't incubate the eggs and they won't hatch?
Thanks for your suggestions and advice.