A pet rat is considered to be a senior from the age of 18-20 months. They, in essence, spend almost half their lives as seniors. There are many things that rat owners can do to ensure that senior rats have healthy and comfortable golden months.
Domestic rats live about two to 3.5 years11. In agreement with Quinn the average laboratory rat lives approximately three years10. In a survey, rat lifespan in the UK was 21.6 months, and 95% percent had died by age of three years.
Average lifespan of a pet rat is 18 to 36 months. Most pet rats are actually a type of rat called a Norway rat (Rattus norvegicus).
The world’s oldest pet rat, Rodney, lived to an astounding age of 7 years and 4 months. While this is unusual, many pet rat owners report their rats living to 4 or 5 years of age.
Can You Extend Your Rats’ Lifespan?
However, one of the first signs you may notice when your rat is dying; is the lack of appetite and thirst. Their bodies are shutting down. They no longer have the sensation of hunger or thirst. Food is not essential for your rat, they can go for 2 or 3 days without eating anything.
Rats have excellent memories. Rats make lifelong bonds with their owners Ask any rat owner, and he or she will tell you: Rats recognize their owners and respond to their sight and voice. They are very social and love to hang out with human family members on the couch or on peoples’ shoulders or in their laps.
Because domesticated rats are protected from predators and have ready access to food, water, shelter, and medical care, their average lifespan is around two to three years, in contrast to wild R. norvegicus which average a lifespan of less than one year.
“But they spend more time grooming than cats.” “ They are friendly, affectionate, smart, and low-maintenance,” Warnes says. Just like cats and dogs, rats have unique personality traits. “I’ve always had female rats, and they are super friendly and affectionate,” says Warnes.
1. Introduction: Females live longer than males in many species including humans. Females live longer than males in many mammalian species. For instance, male Wistar rats, in our laboratory, have an average life span of 24 months whereas females median life span is 29 months, i.e., 14% more than in males (Table 1).
Conclusion: these studies found that castrated rats lived slightly longer than a similar group of intact rats. Castration is not, of course, a guarantee of longer life for an individual rat. Rather, considered as a group, castrated rats have a moderately longer average lifespan than a similar group of intact rats.
Rats in the wild are prey to snakes, coyotes, owls and other animals, so they often live for less than a year, but rats living in more protected indoor areas can live for two to three years.