Small Developing Eggs - Candled Day 14

[enggass]

I have some small Lav Ameraucana eggs in the 'bator which have been developing nicely to this point. I just candled them on day 14.
What I noticed is that relatively the air sac seems somewhat large compared to my other eggs, and the rest of the egg was quite dark. Just like what a normal sized developing egg would appear like on day 18. Is this because the eggs are so small? I can't imagine they developed any more quickly because I have some normal to bigger sized Barnie eggs in with them and they seem to be right on track...
Thoughts?
Thanks,
Steve

 

[youngbiddy]

I wish I had something for you, but your guess is as good as mine. Perhaps someone more experienced will see this.

 

[enggass]

I also notice that the air sacs are oddly shaped - spiked in the middle as if the air sac is an upside down "V-ish" shape... I heard this is from shipped eggs. Can anyone comment?
What's your experience with air sacs like these?