Best Answer: A little over a day or two, depending on the owner(if you choose to care for it yourself or leave it alone, both of which has its pros and cons) and the age of the baby in question when it is abandoned. read more
Nursing baby mice need to be fed every few hours. They can't live for very long without their mother or a foster. Newborns need to be fed every 1-2 hours, but the interval increases as they age. read more