Estrus occurs in December usually lasts for three to four weeks. The gestation period is 185-195 days and there is no latent stage of embryonic development. Females deliver one fawn or rarely two. Fawning occurs in secluded places such as beneath dense shrubs, under low branches of fir, or around fallen trees. Strangely, up to 1/3 of adult females remain barren every year. Fawns stay with their mothers for up to two years (two winters).
Average birth mass: 458.75 g.
Average gestation period: 162 days.
Average number of offspring: 1.5.
Average age at sexual or reproductive maturity (female)
Sex: female: 473 days.