Crestie Eggs Always Failing.

[butterballpython]

If you decide to go with the container method instead of the incubator you are currently using, a larger container will hold the humidity at a more even rate and dry out less quickly than a smaller one. I'm not saying to use something huge, but that a shoe box sized container will hold humidity steadier than a smaller container such as a deli cup. If humidity is an issue where you live, you may want to consider this.

[mlededee]

Even with first time breeders, you should be getting a good hatch rate. Did you confirm the temperature inside of the incubator with a temp gun? Did you cut any of the eggs after they went bad to see if there were fully formed babies inside? Were the eggs calcified normally? What do you feed the adults?

[George1994]

Even with first time breeders, you should be getting a good hatch rate. Did you confirm the temperature inside of the incubator with a temp gun? Did you cut any of the eggs after they went bad to see if there were fully formed babies inside? Were the eggs calcified normally? What do you feed the adults?

No to gun but a thermometer was left in at all times and when checked was correct.

No, I didn't cut any eggs. It never actually even crossed my mind to do that, I really wish I had have now.

It varied. Some of them were perfect, some were a little lacking but overall the eggs were of a good quality.

Adults were fed on repashy.

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[mlededee]

Without knowing whether or not there were fully formed babies in the eggs, we can't really know if there is a possible fertility issue with one of your adults. Sometimes eggs will appear fertile, they will grow (absorbing moisture from the air and incubation medium), but there is never actually a formed baby inside the egg. I've never had a fertility issue with a female, but I do have one male that has never fathered any babies.

I think you have received some good incubation tips from the other members here to help prepare you for next season. A shoebox sized Rubbermaid container with damp perlite as incubation medium and a few tiny holes in the lid at room temperature is what I have always used for crested gecko eggs.