Here we are on the morning of Day 23. I redid the float test and found one egg that had distinct movement. I took the shell off over the air cell for the others and put my finger on the chick's body, none moved. So, culled 12 that probably died on or near lockdown.
Turned my attention to the other one, and re-read Sally Sunshine's Guide to Assisting hatches...so I removed the shell slowly, leaving the external membrane intact...and found I could not see a beak...so I removed the external membrane and could quickly see the body of the chick moving with its heartbeat...I wet the inner membrane but cannot see a beak, eye, wing, yolk sac, or anything distinguishable...
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So for now I am sticking with Sally's advice, leave it be for 2 hours and check again.
So, assuming this last one survives, that gives me a 77% fertility rate and 54% hatch rate...![]()
I know I didn't lockdown on Day 18, so the humidity was only at 45% on Day 19 (when I got 3 hatches and 4 other pips). I don't see how that could have killed so many eggs (arguably, 15 eggs were killed around that time). I did raise the humidity part way through Day 19, to 65%, and I also candled all the eggs that day...I have nearly 80 eggs ready to go into the two Brinseas...better luck next time.
Can you see the veining on the inner membrane? Be careful of the veins. If you can't see the beak and you cause any bleeding when try to open the inner membrane, it could easily drown on the blood. Doing an assist on a chick that hasn't at least internal pipped is tricky! Good luck! Fingers crossed for you!!
I don't think that delaying lockdown by a day would cause so many deaths...?
And did you get another Brinsea??