How long do guinea pigs live?
5 – 7 years
typically 4.022 (3.875; 4,170) years
Guinea pigs live about 5 – 7 years, with one study reporting an average lifespan of 4.022 (3.875; 4,170) years.
- No significant differences in longevity were found between sexes, neutering status, or breed (log-rank Mantel-Cox χ 2 p > 0.05).
- A median survival time of 4.025 95% confidence interval (3.830; 4,290) years was reported.
These are the documented figures; individual animals vary with care, genetics and luck.
Grounded in: extension.wsu.edu, pmc.ncbi.nlm.nih.gov. Every figure above appears
verbatim in the linked sources.
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