Do I have to wait to travel after a tummy tuck? Dr. Eric Chang, Columbia University College of Physicians and Surgeons Answered Jan. 26, 2012 19 years experience in Surgery - Plastics
On the third day, the ears unfold with the ear canal opening on the tenth day. Eyes open on the fifteenth day, and the young are weaned between day 25 and 35. Deer mice can reproduce when they are 35 days old, but they usually breed for the first time at 49 days. 1  Key Reproductive Features. 2  iteroparous. 3  year-round breeding. 4  gonochoric/gonochoristic/dioecious (sexes separate) 5  sexual. 6  fertilization. 7  viviparous. 8  post-partum estrous.
Male mice are sexually mature between ages of 4-5 weeks old. Females can be bred at this age too but it is better to wait until they are 6 weeks old at least. 8 weeks would be better. Mice go into heat every 3-4 days, take 19-21 days to gestate and can get pregnant again in the first 24 hours after giving birth.