This information can be used to inform patients and their health care professionals as they decide the best course of treatment and to improve care for patients in the future. Information from registries may also be used to compare the performance of healthcare providers with regard to their outcomes and resource use.
Quick Answer. A house mouse that is a pet has an average life span of about two years. There have been mutant and calorie-restricted mice in captivity that have lived for up to five years.
According to the Guinness Book of World Records, the oldest hamster lived for 7 years. A dwarf lab mouse at the Southern Illinois University Cabondale Vivarium lived 4 years 11 months and 3 weeks. The mouse died in January 2003. There are reports about pet rats that lived about 7 years.