After seven days, we "candled" our chicken eggs to check for development.
In six of the eggs, there was a "blood ring" - which meant the eggs had been fertile, but stopped developing. (I did not take a picture, but an example can be seen HERE)
Four of the eggs were dark brown and really hard to see through, so we are undecided. We'll wait a few more days and recheck.
Which left 17 eggs developing!! (and I was so worried I would have none)
Here is Top view picture of development:
And here is a side view of the developing egg
So, I'm very positive and extremely excited that I have 17 (possibly 22) eggs developing. I suspect those 4 dark eggs will be "no-go's" becaue we really didn't see anything. The brown eggs are much harder for the light to shine through.
I am enjoying the learning process and watching the eggs. Dave callse me the "mother hen" because I'm constantly checking the incubator temperature. Our house is old and drafty and the incubator is a cheaper model. The temp fluctuates quite a bit so I am constantly on top of it having to do slight adjustments on occasion.
Check back in next week when we re-candle the eggs again for a 2nd development phase!