Gestation is 18 to 20 days, depending on the strain.
The gestational period for a mammal varies. Smaller mammals tend to have a shorter gestational period than larger mammals.
The gestational period is defined as the period of time from conception to parturition. The average gestational age for humans is 38 weeks.
5 days
The average length of the pregnancy gestational period in humans is about 40 weeks, or around 9 months.
Hippopotamus have a gestation period of about 8 months.
A Donkey??
175 Days
16 moons
Sheep have a gestational period (time of pregnancy) of 145 days.
When the female's egg is fertilized.
Five months (150 days)
Mice reproduce frequently and can have litters every 20-30 days. A typical litter size is around 5-6 pups, but they can have multiple litters in a year. Mice reach sexual maturity at around 6 weeks of age, allowing for rapid population growth in favorable conditions.