Rat live an average a 3-4 years. When I use to breed them I did have on live for about 4.5 years (big old male, and what a good friend he was).
Another interesting fact about rats is that they are the only member of the rodent family smart enough to not bite you (Stressed point: if hand raised. aka handled often) even if you smell like food. (make sure to feed them regularly)
From about 26 months if the rat is living in a confined space with bad nutrition, like lab rats, or up to48 years if the rat is lucky and healthy. MY rats have lived for 3 years so far and they aren't slowing down!
Depending on if it is still in the laboritory or not.
A lab rat taken into a pet home can live as long as 2 years, even 3. A lab rat that is still in the laboritory will live for however long their carers wish to have them living.
The lifespan of a rat is 2 to 3 years on average.
The life expectancy of a Domestic rat is about 2 to 3.5 years.
The lifespan of a rat is 2 to 3 years on average.
The average lifespan for a domestic rat is 2-3 years
The average lifespan of a pet rat... (The large testicles of a male rat should be apparent by the age of three weeks.A rat will usually live two to five years in captivity (as a pet). In my experience, three years is about average. Males tend to live slightly longer than females.
The average lifespan of a rat is two to three years. Just as other animals rats begin as babies, reach pubescent age, and adulthood.
They died then died again
What is the average lifespan for cha moms house
The lifeSPAN of a rat is normally 2 or 3 years. A rat that is given the best food and care can live as long as 4 years.
The average lifespan of a housefly is about 2.5 weeks.
The average lifespan of a Dingo is 10 years but, in some cases they have 13-18 year lifespan.
The average lifespan of a Dingo is 10 years but, in some cases they have 13-18 year lifespan.
The average lifespan of the people of Asia is 56 years.
The Merlin birds average lifespan is 7 years