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.
Female mice come into estrus (heat) every 4-5 days (this is the time they will be fertile and receptive to a male). They will have a fertile estrus within 12-28 hours after giving birth, and within a couple of days of weaning a litter. Length of Pregnancy: The gestation period of mice is usually 19-21 days.Note: mice can breed shortly after giving birth. If they breed while already nursing a litter, the gestation period can be longer (around 28 days).Litter Size:Litter size is quite variable; 7-12 pups per litter is considered average but more is not unusual (20 in a litter is quite possible).ote: mice can breed shortly after giving birth. If they breed while already nursing a litter, the gestation period can be longer (around 28 days). Litter Size: Litter size is quite variable; 7-12 pups per litter is considered average but more is not unusual (20 in a litter is quite possible).