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.
According to a University of Michigan resource on breeding mice for laboratory purposes, a female mouse can give birth to between four and eight litters each year. Each litter consists of an average of between six to eight mice. A female mouse reaches sexual maturity at between 6 and 8 weeks old. The gestation period for a litter typically lasts between 19 and 21 days. Mice are very common in laboratory research, especially in genetics, in part because of this quick generation time, but this quality also makes them a pervasive pest animal.