The number of mice in a litter typically ranges from about 3 to 14 pups, with most litters averaging between 6 and 8 pups. Some sources note an average litter size of 10 to 12 pups as well
. Key points about mice litters:
- Gestation period is about 19 to 21 days.
- Female mice can have multiple litters per year, often 5 to 10 litters.
- A single female mouse can produce roughly 30 to 70 pups annually, depending on conditions.
- Pups are born blind and deaf and nurse for about 21 days before weaning.
In summary, a typical mouse litter contains around 6 to 8 pups, but it can vary from as few as 3 to as many as 14 pups per litter
