I'm sorry to hear that you are having issues with your new hatchlings. Your incubation method looks fine to me. 90F is cutting it close, but, by my experience: close to lethality, not consistent/repetitive deformity. As you mentioned: It is possible that this is a genetic issue, but, I would not expect this unless one of each of the breeding pair adults was from the same seller.
I would theorize that this issue is external to the incubation method. Factors I would examine first:
Chemicals: Were the egg boxes disinfected prior to use? If so: With what?
The Pearlite (how old is it, how was it stored: temp/humidity, could it be harboring toxic mold/spores?)
The Water (was it distilled, if not, could this be a chlorine/chloramine/fluorite/bacteria contamination?)
The Follicle Development (What were the parents eating? Could the food have absorbed a toxin? If you raised the rodents yourself--did you feed them anything odd or did they chew on toys?)
Anyhow, just a few thoughts
Reply With Quote