Follicle, ovulation, and egg laying question.

I have four females that I think are building or getting ready to lay. I witnessed one ovulation for sure and she had her prelay she'd right on schedule. Now I know about 30 days to wait. I am thinking I missed an ovulation on another girl because she has what feels like 7 big, almost chicken egg size, eggs I am feeling. Do they all have a prelay shed? She looks fat, so maybe this is ovulation, or could she be ready to drop? I know you can't really tell without seeing her in person, so I guess the question really is could she have not done a prelay shed and then lay eggs?

As far as I have ever seen they always have a pre-lay shed.

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Every female that has ever produced a clutch for me has had a pre-lay shed. Ovulations may be tricky to catch sometimes. I don't always witness an ovulation, but I typically check follicle growth and wait for the pre-lay shed...followed by staying on the warm spot :-)

How big are eggs at ovulation on average?

If she's ovulating she'll feel like a hard water balloon. I've never had or heard of skipping a prelay shed so I'd not get too excited about eggs soon. They can seem huge for a while but I'd still wait for a shed to start any count downs. I'm guessing you do have an incubator dialed in and boxes ready for the other ones just in case.

Incubator is up and running. Been checking temps on it twice a day for three weeks now. 87.5-88.5 each time which seems good to me. Been using my heat fun to check as all the thermometers have different readings. I can't find one that I think is good. Any suggestions?

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Originally Posted by Bcycling

Incubator is up and running. Been checking temps on it twice a day for three weeks now. 87.5-88.5 each time which seems good to me. Been using my heat fun to check as all the thermometers have different readings. I can't find one that I think is good. Any suggestions?

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I don't really have a great suggestion. I just use a few kinds that are usually about $10-$15 then I compare with a heat gun too. They're usually all within a degree of eachother