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How long do Dumbo rats live?

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Quick Answer

Dumbo rats are a breed of domesticated Norwegian rat that, like other rats, have an average lifespan of two years and a maximum life expectancy of seven years with excellent care. The Dumbo gene, responsible for the breed's distinctive large ears, has no effect on lifespan or general health.

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Full Answer

Several factors affect whether a rat will live out its expected lifespan. Rats are curious and sociable creatures, and denying them a stimulating cage environment or the company of other rats can worsen their health. Rats, like people, also need exercise and good-quality food. Purebred rats have longer lives on average than rats from feeder lineages.

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