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Breeding Weights

Updated: Mar 19, 2020

Breeding weights have varied since crested geckos where brought over. The original weights seemed to be 35g for female crested geckos and around the same for males. But breeding practices have changed, and the weight recommendations seem to be hover around 45g for females and 40g+ for males ( subtract about 5g for geckos without tails).

These recommendations should be taken seriously. The reason it is so important, is because breeding is stressful and can cause the female and male to lose weight.
For females, the weight loss after laying eggs can be around 4g-5g. Some females can and have lost a lot more weight. I find that first timer females are more susceptible to losing more weight,although this is not always the case. You will have the rare female that may have trouble with weight loss and weight gain due to laying eggs all her life. Either way, laying eggs takes a toll and that weight target will allow you that safety net to keep them happy and healthy.

I just want to mention, that females as small as 20g have laid infertile eggs before, so it is never recommended to house smaller females and males together. Do not think that they will not mate until they reach target weight, males hit sexual maturity early on. If a female gets bred too early she may lay smaller then normal eggs, it may cause stunted growth, and calcium related problems ( MBD).

For males, breeding too small may have a larger chance of the male getting hurt, not being able to handle the female, or prolapse. A prolapse is when the male can not lick it's hemipene's back in. Instead they stay out where they can become swollen, bleed, or dry out. Cases like these can lead to amputation or death.
If you see your male with a prolapse the best personal advice I can give is you can take it to an experienced exotic vet. An at home remedy I have used is to apply honey to the hemipene's. This can help the swelling go down, and help encourage your male gecko to lick them back in. If it looks like you can encourage them back in, you can try that too,but very carefully if the swelling has gone down. I personally have had one prolapse years ago, and it can be very scary. I would not recommend waiting longer then three days, and that's if it doesn't look that bad and is not bleeding.
Please do not attempt to breed too early on due to being impatient. And remember in a perfect season, the female may lay two eggs a month for about 8-10 months and retain sperm for up to two years.

In the next article we will be focusing on female egg laying!

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