If the momma mouse does come back for them there is a high chance she will eat them. you can try to hand feed them. they need to be in a cage with half off it on a
heating pad (set on low) the other half off incase they get too hot. A good temp is about 75-80 degrees in farenheight. Then you can get some KMR aka Kitten Replacement Milk and a cc syringe or an eye dropper to feed them. Dilute the formula 2x than what it says. Be careful not to get any formula in their nose or they can suffocate. They need to be fed every 2-3 hours until they open their eyes then every 4-6 hours will be fine. Good luck. Feel free to pm me with any question.
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When I'm down my pets turns my frown upside down


2 Dogs: Harley and Daisy
6 Rats: girls- Anita, LE, Nethie, & Onyx boys- Buddy and Splinter
10 mice
1 1 gecko