How can you feed a baby mice?

You can feed them kitten milk replacement, which is available at most pet shops. As they grow older you can try soaking bread in the milk and feeding them that until they can consume solids.

it depends on the ageunder 1 week=every 1-2 hours1-2 weeks=2-3 hours2+ weeks=the eyes open and they eat very 3-4 hours and get weined from their milk

Their mother breast-feeds them until they are old enough to eat food on their own (3-4 weeks).

anything but, poison

if it is a baby you can't change it's diet to quickly. just eventually start feeding it one thing then another thing but slowly intruduce them to these new things. They can have rice, uncooked and...