incubator humidity?

arctally

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Hi, I'm new here, and new to hatching eggs. I had hoped not to have to but a fox scared one of my ducks off of her nest (it jumped on the roof but never managed to get inside the fence, the opening of the nest box leads into the pen but the box itself is outside the pen).

I rigged up a cardboard box incubator and I'm not having any trouble with temperature but I keep finding different information on what the humidity should be. One site says 82-86 wet bulb, in which case I should be ok, but another says 86-88 in which case I might have a problem since I can't seem to get the humidity up that high.

What should the humidity be for duck eggs? And does anyone have any handy tips for increasing the humidity come hatching time?

My set up now is one big cardboard box with vent holes, inside is a small box with the eggs that takes up slightly less than half of the box, there is a round pie pan full of water with cotton rags in it to increase the surface area in the other half of the box, the whole thing is covered with glass coffee table inserts. There isn't much room for anything more, like a bigger pan or an extra sponge (unless it's a regular kitchen size sponge but I don't have anything to put it on so it doesn't soak the box).

Any hatching tips in general? It would also be great to hear any success stories from others who used home made incubators, I'm not feeling very optimistic about saving this clutch...
 

BarredBuff

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I can't help but I can wish you luck! Someone more knowledgeable than me will appear, and help.
 

mrscoyote

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This is a good question. Unfortunately everyone seems to have a different answer. I run my incubator in the 30 percent range for incubation and bump it up to around 70 percent for hatching. This works well for me with the chickens, ducks and turkeys. Good luck and happy hatching.
Nancy
 

Avalon1984

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Same here. I have had humidity spikes in my incubator but it didn't seem to affect the eggs as long as I got it back under control. I keep mine at 50% during incubation and 80% during hatching.
 

arctally

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Thanks! Any tips on bringing up the humidity for hatching? Can I use a spray bottle?
 

Avalon1984

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arctally said:
Thanks! Any tips on bringing up the humidity for hatching? Can I use a spray bottle?
That may work. I am trying to picture your incubator because you could stick a warm wet washcloth in there but if it is out of cardboard that may be hard. :idunno
 

mrscoyote

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Yes, you can spritz the eggs. I have done that before with goose eggs.
 

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