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Air sac concern

Discussion in 'Incubating & Hatching Eggs' started by MDraco, Feb 24, 2016.

  1. MDraco

    MDraco New Egg

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    Sep 13, 2015
    This is the second batch of eggs I have run in an incubator. I was given 36 eggs from a friend close by. 9 were not fertile and removed last week. I am running the incubator dry because I live in the South (high humidity). The humidity inside of the incubator fluctuates between 50% and 60% (currently 50%). I maintain an average 100 degree F.

    Today is day 14. While candling I saw plenty of veins and some movement inside most of the eggs. The problem I have is that the air sacs (in all of the eggs) are the size you see at 7 days. Is this a problem?

    Thank you, in advance, for your help!
     
  2. Yorkshire Coop

    Yorkshire Coop Moderator Staff Member

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    Aug 16, 2014
    Yorkshire UK
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    Hi :welcome

    I'm afraid that yes this could be a problem. If your air cell has not grown adequately the chick could drown on pipping into it. That is very high humidity even with no water in there, can you add some dry rice to your bator to try and get the humidity down? Also do you have all your vents fully open to reduce it? At day 14 you have not got a lot of time to try and get the air cells bigger so you need to do something now to try and save your hatch.

    Have a read of this article ~ https://www.backyardchickens.com/a/hatching-eggs-101
    It's got a good section on humidity and air cell growth.

    :fl for your eggs, good luck.
     
    Last edited: Feb 25, 2016
  3. MDraco

    MDraco New Egg

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    Sep 13, 2015
    Thank you for this idea. I will try it immediately and pray that it works. And yes, all the vents are open. Thank you again for your help.
     
    Last edited: Feb 25, 2016
  4. Yorkshire Coop

    Yorkshire Coop Moderator Staff Member

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    Aug 16, 2014
    Yorkshire UK
    My Coop
    Your most welcome, fingers crossed you can get it down and those air cells growing. I would also recomend not putting your humidity up to 65% (as you would usually at lockdown) untill you get a pip. This should give you a couple of extra days for them to get bigger.
     
  5. MDraco

    MDraco New Egg

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    Sep 13, 2015
    The rice really helped. Thank you!

    12 of the 28 fertile eggs have hatched. A few of them had some complications, but are alive (for now). One of them can't seem to walk, so I don't know what will happen with that one.

    Thank you again for your help.
     

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