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Can eggs hatch past on day 22 or after?

Hi there,

I'm new to posting here, hope you might have some info to help me. I'm using a brinsea octagon advance ex to incubate. I set 24 eggs at the start (la bresse gauloise), on day 7 my wife & I candled them, found one clear & one that had started but failed early on. On day 20 our first chick had hatched & sat looking at us from the incubator! A little early i thought. On day 21 we had 16 more hatch. Now on day 22 we have 5 more eggs in the incubator that have not even pipped yet. Has anyone else had any experience in eggs hatching past 22 days? Should I keep the incubator running for another few days?

By the way i have some of my videos (new to that as well!) on you tube if you'd like to see. The address is http://www.youtube.com/user/dmanleather?feature=mhum

Also, Rick O'Shea on 2fm is talking to my wife about the chicks hatching, today the 25/03/11 @ 3:10pm I think. Should be a laugh!

Regards
Dara

DaraL
Friday, March 25th, 2011

ive had chicks come out on day 22 and 23 so keep it going for a while yet!!

the chicken ranch
Friday, March 25th, 2011

I have had chicks both pip and hatch successfully on day 22. If there are any eggs unpipped by the end of day 22 though, they are probably DIS, you can leave them for an extra day or two no harm, or candle them to check.
17 from 24 eggs is pretty good though, well done!

Susan Mc
Friday, March 25th, 2011

welcome to the site. first when that happens to me i take the eggs out to see if i can hear chirping or tapping ,if nothing i still leave them in till day 23/24 in case there is a slow devloper, i have had one hatch on day 23, if nothing after that take them out an break them to see at what stage things went wrong, if they are dry but fully formed there was not enough humidity an if they were full of water there was too much humidity.

pearl
Friday, March 25th, 2011

Thanks so much for your help, i'll keep you all posted & let you know if any of the 5 remaining eggs hatch past day 22, it will be interesting to find out.

Regards
Dara

DaraL
Friday, March 25th, 2011

ive also had chicks out on the 19 day lol

the chicken ranch
Friday, March 25th, 2011

Seems to be the way with my 2 incubators.. One chick hatches way earlier than the rest day 19.. My own incubator hatched 41 from 43 eggs. A borrowed incubator hatched 13 from 28. 3 of which cracked clear of their own shells themselves the rest were assisted once they chipped the shells on day 24. The rest i left. Lost a lot of them but the ones that survived are hardy and healthy.

It was a P&T incubator. all digital. total disaster. touch off it and readings would drop and take ages to come back up to temp. Humidity gauge was incorrect also having placed my own gauge into it to check..

stifz
Friday, March 25th, 2011

Just to let you know that none of the remaining 5 eggs hatched past day 22. We kept the incubator running until day 23 just in case. I was very hopeful that there would still be some sign of life, we candled the eggs & all 5 looked like they had developed fairly well & then just stopped.

Is 17 out of 24 (75%) considered a good hatch rate? What success rate do you have?

Regards
Dara

DaraL
Monday, March 28th, 2011

That's a pretty good hatch rate Dara. That's what I've noticed too: no pipping by day 22 means the chick hasn't survived.
Sometimes chicks don't survive through to hatching because the parent stock is lacking something, sometimes it is because of how the eggs have been handled, sometime it is because of incubator settings.
If you're at all worried that it is the settings, it is best to get a small thermometer and hygrometer to set in with the eggs as a backup in case the temperature and humidity readings are a bit wrong on the incubator.
Handle the eggs carefully, shaking can damage them internally. Turn the eggs if you are storing them for longer than 6 days before setting in the incy. And best results are from eggs less than 2 weeks old.
Breeders pellets are great for the parent birds, the protein and calcium content is as good as layers pellets, but they have vitamins and minerals required by both the hen and the cock.
Just some suggestions. But 75% is a good rate, well done!

Susan Mc
Monday, March 28th, 2011


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