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Proper temps and humidity for eggs
Can anyone point me to a good thread or other source on the proper temps and humidity for eggs during incubation?
I'm still at least a couple months away from actual eggs, but I think I need to start planning now. I was originally thinking it might be neat to try maternal incubation... and I'd just set up an incubator as a back-up in case of roll-outs... but as I'm getting closer, I'm feeling less like leaving things to chance. I don't have perfect control of the temps in my breeding tubs, and I seem to have even less control over the humidity... and I know too much moisture is as deadly to eggs as too little.
So I'm wondering what the acceptable ranges are? And is there anybody out there with experience with maternal incubation?
I might just break down and slap them straight in the incubator after all!
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Registered User
Re: Proper temps and humidity for eggs
89-90*F at 100% humidity.
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The Following 2 Users Say Thank You to Jeremy78 For This Useful Post:
loonunit (12-17-2010),PitOnTheProwl (12-16-2010)
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Re: Proper temps and humidity for eggs
 Originally Posted by Jeremy78
89-90*F at 100% humidity.
100% can't possibly be right, can it? I've heard of them rotting from to much moisture. Or is that just contact with moisture?
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Well if you have slugs or if you have too damp of a substrate, then yes mold can happen. You do want to maintain 100% humidity or as close to that as you can. Regulate temps with large water bottles or a bunch of smaller water bottles to help keep the temperature consistently at 89-90 degrees.
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Banned
Re: Proper temps and humidity for eggs
 Originally Posted by loonunit
100% can't possibly be right, can it? I've heard of them rotting from to much moisture. Or is that just contact with moisture?
From what I have read 95-100% is what is needed. Condensation is caused by unequal temps on opposite sides of the tub/glass. Humidity won't cause moisture. I mean hell just go down to South Florida in the summer can get up to 90% plus humidity but it's not wet though.
Last edited by MitsuMike; 12-16-2010 at 02:07 PM.
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There is a big difference in eggs being exposed to humidity and being exposed to moisture. Condensation dripping on eggs or substrate being soggy wet will cause problems. Substrate should clump up when squeezed but you should not be able to squeeze water out of it. Temps can vary a little too...86-90*. Eggs will take longer to hatch at 86* and will hatch sooner at 90*. Personally I incubate at 89-90*
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I did substrateless last year, and it worked perfectly. I incubate at 88 to 90 with the humidity as high as possible.
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Re: Proper temps and humidity for eggs
 Originally Posted by WingedWolfPsion
I did substrateless last year, and it worked perfectly. I incubate at 88 to 90 with the humidity as high as possible.
"Substrateless"? So where does the humidity come from in your incubator?
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Re: Proper temps and humidity for eggs
you get a tub around 6qt in size. put water in the bottom, go to home depot and get the light grid that has small squares, used for drop ceilings. cut to fit tub, some breeders stack them to keep eggs out of the water, others will use something like pvc to get the grid out of the water. now your eggs will remain dry and instead of putting the lid on use glad press n seal. nothing else like saran wrap. use press n seal. this will keep the humidity up. when you check your eggs about once a week, this will give them fresh air. about the last 2 weeks, peel a corner back to make a very small hole . this is when the eggs need a lot of oxygen. also when checking the eggs be careful not to splash them or have them roll. when the hatchlings pip, replace the press n seal with the lid that you put a few air holes in so the hatchlings don't get out.
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BPnet Veteran
Re: Proper temps and humidity for eggs
I've seen it done both ways - substrate and the rack. I like a 6qt tub with hatchrite, the cling wrap over the top, then snap the lid on and pop in incubator at 89 and 100% humidity. Then, I just "burp" the tub every 3 or 4 days, which just basically means opening the lid of the tub and recycling the air. Seems to be the winning method for me, but good luck to you. There's also a sticky on setting up an egg laying tub that's pretty good.
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