Thank you both for the fast replies. I was thinking around the same estimate Pythonwallace, thats ALOT of baby's!
Cassandra: I was leaning on more also, Ive been setting up tubs all day because of itNot only can i freeze them but i also know ALOT of people who need fuzzys and such in my area, so i could sell some off as well to help feed, house, and get back what i put into them. I'm Pretty sure Mice Directs mice would be healthy, everyone that has ordered from them seems very happy with their mice.
BUT... Since I'm a little new to breeding mice, where can i house the baby's? Could i house all 15 girls in a 55 gallon tub without having to worry about them eating baby's and stealing? And once they get bigger separate them by size?