I am no "authority" but here is what I see. Your hot side is too hot. It only needs to be 90. Deborah (one of the experts) will tell you to drop the hot side to 88 when trying to get babies to feed.
What size cage, what substrate, what other husbandry conditions (light, equipment, etc)? All this information will help people here help you.
It would not hurt to try mice again. I've had a few switch back and forth, usually only one or two mice and they take a rat again.
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