Giant Chinchilla rabbits can give birth to rabbits in about 6 months. The pregnancy period of rabbits is very short, and they can give birth to small rabbits in one month of pregnancy.

Giant Chinchillas can give birth to little rabbits every month, basically one litter per month. Rabbits are biuterine animals and have developed fertility, which other animals do not have. Of course, In the protection of rabbits, generally only 6 litters of rabbits are allowed to be born in a year, about 7 to 8 rabbits per litter. In this way, rabbits can give birth to about 50 rabbits in a year.

The estrus cycle of a giant chinchilla is 8-15 days , Each estrus will last for 2 to 3 days. Estrus is a manifestation of the female rabbit's sexual excitement and mating desire caused by the female rabbit's sexual maturity. The performance of estrus is: the female rabbit is active and restless, loves to jump, loses appetite, bites the cage, and actively climbs across.